About this item 【Two-way Intercom】Fully automatic two-way intercom, automatic recognition of voice signals during communication process without any operation. 【Design and use place】Unique design .Suitable for any place where conversation is difficult. For banks, hospitals, stations, securities and other windows is the best choice. 【Clear voice】Using advanced language processing chip to make the voice clear, with powerful anti-interference and anti-howling function. 【Host and extension】Both the main unit and the extension have speaker and microphone, and the volume can be adjusted separately. 【Recording and Long Working】There is a recording jack, which can be connected to a recording device.Able to work continuously in a long time clearly.Realize two-way recording conversion. Product Description The window two-way intercom speaker system is suitable for any place where window conversation is difficult or noisy. It adopts advanced language processing chip plus unique design and strict quality management. It has the characteristics of clear sound quality, controllable volume, anti-interference and anti-howling.Ideal for the bank, hospital, securities, bus station etc. where guard glass again theft is installed.It is easy to install and has a long working time.   Clear and Natural Voice The wind intercom uses advanced language processing chip to make the voice clear and natural, with powerful anti-interference and anti-howling function.   Anti-interference Microphone As long as you speak close to the microphone,even through the glass,the voice can be clearly heard from the speaker of the other party.Even in a noisy environment, customers can still hear the sound clearly. Features Display Unique Design It has unique appearance and adopts convex speaker.The knob has a metallic luster, elegant and generous.Adjustable volume with separate knob. 360°Bendable Microphone Tube Streamline design.The microphone is sturdy and durable.Super long durable stainless steel hose microphone tube can be bent arbitrarily without dead angle and can talk at any angles. High-quality Anti-shock Film Use high-quality diaphragm to make communication clear.Strong sound penetration,delicate and clear,bring high-fidelity sound quality,make your service more quality. Recording Function Built-in recording signal output, can provide master station and sub station audio output for recording. Technical Parameter Working Voltage：DC12V Max.Working Current:：200mA Output Power：2W+3W Microphone Sensitivity：45dB±2dB No Distortion Frequency：10Hz-15KHz Packing List 2 x Master Station 2 x Extension 2 x Power Adapter 2 x 3M Double Sided Tape 2 x User Manual 8 x Locating Pieces Technical Details Brand ‎CallToU Part Number ‎WI08 Hardware interface ‎USB Number of Items ‎2 Power source type ‎Corded Electric Batteries Required ‎No Material Type ‎Plastic Does it contain liquid? ‎No Includes rechargable battery ‎No Manufacturer reference ‎WI08 Parcel Dimensions ‎21.3 x 15.2 x 10.9 cm; 1.01 Kilograms

Product Description The window dual-way intercom speaker system is suitable for any place where window conversation is difficult or noisy. It adopts advanced language processing chip plus unique design and strict quality management. It has the characteristics of clear sound quality, controllable volume, anti-interference and anti-howling.Ideal for the bank, hospital, securities, bus station etc. where guard glass again theft is installed.It is easy to install and has a long working time. Clear and Natural Voice The speaker of the window intercom uses advanced language processing chips to make the sound clear and natural, with powerful anti-interference and anti-howling functions. Clear and Natural Voice for Extension As long as you speak close to the microphone,even through the glass,the voice can be clearly heard from the speaker of the extension.Even in a noisy environment, customers can still hear the sound clearly. Unique Design,High-quality Anti-shock Film   The window intercom speaker uses mesh speaker. The knobs have metallic luster, elegant and generous. Use high-quality diaphragm to make communication clear.Strong sound penetration,delicate and clear,bring high-fidelity sound quality,make your service more quality.   Recording Function   The window intercom has a built-in recording signal output, which can provide the audio output of the main station and the sub-station for recording.   360°Bendable Microphone Tube   Streamline design and metal microphone.The microphone is sturdy and durable.Super long durable stainless steel hose microphone tube can be bent arbitrarily without dead angle and can talk at any angles.   Metal Protection Tube   The metal protection tube effectively protects the extension line. The appearance is unique and wear-resistant, which increases the working life.   Technical Parameter Working Voltage：DC12V Max.Working Current:：200mA Output Power：2W+3W Microphone Sensitivity：45dB±2dB No Distortion Frequency：10Hz-15KHz Packing List 1 x Main unit 1 x Loudspeaker box 1 x DC12V power adapter 1 x 3M Double Sided Tape 4 x locating pieces 1 x User manual Technical Details Brand ‎CallToU Color ‎WI09S-US Power Source ‎dc Connectivity Technology ‎Play,Plug Installation Method ‎Plug In,Tabletop Voltage ‎12 Volts Control Method ‎App Manufacturer ‎CallToU Part Number ‎WI09S-US Item Weight ‎1.12 pounds Package Dimensions ‎5.83 x 5.16 x 4.09 inches Country of Origin ‎China Item model number ‎WI09S-US Item Package Quantity ‎1 Batteries Included? ‎No Batteries Required? ‎No

Product Description Two-way voice Window Speaker Intercom communication technology can automatically recognize the voice signal during the call, and use a more special speaker, the sound is clear and pure, without any measures Auto dual-way intercommunication without pressing any button;anti-interference and noise-free function Dual-way audio record output;dedicated anti-side tone processing chip with auto-mute function Has special side tone processing chip and the movement noise function can effectively improve the noise The sound from the system is clear and natural. The system has high-quality speakers and high-sensitivity microphones. If you have any questions, please feel free to contact us   CallToU window speaker intercom system issuitable for voice communication in closed business windows or noisy places. It has advanced language processing chips, and strict quality management, multi-jack design, which can be connected to earphones, wireless microphones, recording equipment to meet your diverse needs; multi-button design, mute button, volume knob, independent switch, easier to control the microphone. It has the characteristics of clear sound quality, controllable volume, anti-interference, and anti-howling. It is an ideal choice for commercial window intercom and counter intercom.   Unique Design   Automatic two-way intercom, anti-interference and noise-free function. Super-strong background noise suppressing circuit, and the machine is free from noise in a static state. A wide dynamic working range, able to effectively adapt to all kinds of working environments.   Clear Sound   A professional structural design of loudspeaker box, which can perfectly eliminate resonance and make the sound pure, natural, permeable and clear.   Unique Design   Exquisite shell, noble and decent, atmospheric base, stable and thick. There are three buttons on the main unit, one of which is the power switch, and the other two are the volume adjustment knobs. The knobs have metallic luster, elegant and generous, with independent knobs for adjustable volume.     Automatic Two-way Record cConversion   Built-in recording signal output, can provide master station and sub station audio output for recording. The host also has a recording jack, which can connect record equipment external.   Volume Adjustable   Independent volume control, inside and outside volume knob can separately adjust the volume. Plug the power adapter into a 100V-240V socket,and insert the output end into the power Jack of the main unit.   Easy To Install   It's plug and play. Insert the plug of external loudspeaker box into the loudspeaker jack of the main unit. The outside speaker has a sticky backing that can be stuck to the window glass.     Package details 1 x CallToU Dual-way window intercom 1 x CallToU External speaker 1 x Power adapter(US plug) 1 x English manual   CallToU Life Gifts for Seniors       CallToU Window Speaker Intercom 1.77 IN CallToU Wireless Doorbells 2 Receiver 2 Button CallToU Caregiver Pager 2 Receiver 2 Button CallToU Motion Sensor Bed Alarm System 1 Sensors 1 Receiver 1 Button CallToU Smart Call System 2 Receiver 2 Button Portable ↓ ↓ ↓ ↓ ↓ Clear Sound ↓ ↓ ↓ ↓ ↓ Volume Adjustable ↓ ↓ ↓ ↓ ↓   Product information Product Dimensions 5.12 x 6.12 x 1.57 inches Item Weight 1.37 pounds Working Voltage DC12V Max.Working Current 200mA Output Power 2W+3W Microphone Sensitivity 45dB±2dB No Distortion Frequency 10Hz-15KHz

Product Description 【Voice Communication Dual-way intercommunication】The Window speaker intercom system adopts auto dual-way intercommunication technology,automatic indentification of processing speech signals during a call dose not require any action 【Knob Voice Adjustment】Bank window intercom system has the ability to adjust the volume on the both sides; And knob design can be more convenient to operate; Less static noise or hollow sounding 【High-sensitive Microphone, Loud and Clear Voice】 This intercom speakers for business adopt the advanced microcomputer. It has good speaker and high-sensitive microphone. Especial the microphone is deal for the counter and the dual-way inter-communication.The voice from this system is clear,and natural, anti-interruption and noise 【Easy to use】Just need to connect with power adapter and outside speaker to the main station; the microphone cable is flexible 【Wildly Application】Intercom speaker for office, car, business, restaurant, windows hospitals, banks, counter intercom interphone, food truck window speaker, intercom speaker for truck, reception window speaker Fully automatic two-way intercom, automatic gain control, real-time intercom system for business Have recording jack, external recording equipment can be connected Internal and external volume can be adjusted separately Efficient two-way intercom No need to press buttons, automatic two-way intercom, smooth and unobstructed communication Adjustable volume intetcom The volume adjustment function allows the intercom to be adapted to a variety of environmental requirements, increasing its flexibility of use Clear sound with noise cancellation Equipped with noise squelch function, effectively eliminating echo and whistling to ensure call quality Durable material Made of metal, sturdy and durable Window Speaker Intercom Detail   Product information Audio Sensitivity 55dB±2dB Power Source Corded Electric Number of Batteries 12V batteries required. Signal-to-Noise Ratio 55 dB Number of Channels 1 Frequency Range 10-15KHZ Package Dimensions 5.87 x 4.09 x 5.2 inches/12.4 x 5.71 x 5.12 inches Item Weight 1.12 pounds/3.84 pounds Item model number WI09-US-3

  About this item Dual-way intercommunication: Two-way voice window intercom counter interphone adopts auto dual-way intercommunication technology,automatic indentification of processing speech signals during a call dose not require any action. Host & Extension: Both the main unit and the extension have 78.74IN wire speaker and high-sensitive microphone, and the volume can be adjusted separately. Sound clear: Inside & Outside Volume Adjustable,CallToU Window Speaker system has a top-quality speaker and high-sensitive microphone; The voice from CallToU Window Intercom system is clear and natural. Wide Aapplication Scenario: CallToU window speaker can be used in many workplaces, such as bank windows, ticket windows, hospital windows, bank windows, glass windows, counter windows, etc Recording: There is a recording jack that can be connected to recording equipment, which can work continuously and clearly for a long time.Realize two-way recording conversion. Product Description CallToU window speaker intercom is suitable for the voice communication in closed business window or noisy places.With advanced language processing chip, unique design and strict quality management. It has the characteristics of clear sound quality, controllable volume, anti-interference and anti-howling. Features 1. Automatic two-way intercom, anti-interference and noise-free function 2.Super-strong background noise suppressing circuit, and the machine is free from noise in a static state. 3.Large power, can work continuously for a long time. 4.With unique circuit and design, only one side can speak at the same time, while the other side is not allowed to speak, so as to ensure that both sides can hear each other's expression clearly. 5.A wide dynamic working range, able to effectively adapt to all kinds of working environments.   Unique Design Exquisite shell, noble and decent .There are three buttons on the host, one of which is the power switch.The other two are the volume adjustment knobs. The knob has a metallic luster, elegant and generous.Adjustable volume with separate knob. Clear Sound A professional structural design of loudspeaker box, which can perfectly eliminate resonance and make the sound pure, natural, permeable and clear. Dual Channels Dual channels, with auto control and switch, which can effectively prevent self-excited howling and cross-interference between channels   Automatic two-way record conversion Built-in recording signal output, can provide master station and sub station audio output for recording.The host also has a recording jack, which can connect record equipment external. Linear Volume Cntrol Linear volume cntrol, no noise during volume adjustment. With these two knobs, the volume inside and outside can be adjusted separately. Easy To Install: Plug and Play Insert the plug of external loudspeaker box into the loudspeaker jack of the main unit.The outside speaker has a sticky backing that can be stuck to the window glass. Plug the power adapter into a 100V-240V socket,and insert the output end into the power Jack of the main unit.   Where you can use CallToU Window Intercom ? Bank Office Business Ticket Window   Product information Brand CallToU Color WI08 WS Item Dimensions LxWxH 5.43 x 3.88 x 1.77 inches Connectivity Technology Wired Voltage 240 Volts Control Method Voice Included Components 1 x CallToU External speaker, 1 x CallToU Dual-way window intercom, 1 x English manual, 1 x Power adapter(US plug) Product Dimensions 5.43 x 3.88 x 1.77 inches Item Weight 1.24 pounds  

About this item 【Two-way Intercom】Fully automatic two-way intercom, automatic recognition of voice signals during communication process without any operation. 【Design and use place】Unique design .Suitable for any place where conversation is difficult. For banks, hospitals, stations, securities and other windows is the best choice. 【Clear voice】Using advanced language processing chip to make the voice clear, with powerful anti-interference and anti-howling function. 【Host and extension】Both the main unit and the extension have speaker and microphone, and the volume can be adjusted separately. 【Recording and Long Working】There is a recording jack, which can be connected to a recording device.Able to work continuously in a long time clearly.Realize two-way recording conversion. Product Description The window two-way intercom speaker system is suitable for any place where window conversation is difficult or noisy. It adopts advanced language processing chip plus unique design and strict quality management. It has the characteristics of clear sound quality, controllable volume, anti-interference and anti-howling.Ideal for the bank, hospital, securities, bus station etc. where guard glass again theft is installed.It is easy to install and has a long working time.   Clear and Natural Voice The wind intercom uses advanced language processing chip to make the voice clear and natural, with powerful anti-interference and anti-howling function.   Anti-interference Microphone As long as you speak close to the microphone,even through the glass,the voice can be clearly heard from the speaker of the other party.Even in a noisy environment, customers can still hear the sound clearly. Features Display Unique Design It has unique appearance and adopts convex speaker.The knob has a metallic luster, elegant and generous.Adjustable volume with separate knob. 360°Bendable Microphone Tube Streamline design.The microphone is sturdy and durable.Super long durable stainless steel hose microphone tube can be bent arbitrarily without dead angle and can talk at any angles. High-quality Anti-shock Film Use high-quality diaphragm to make communication clear.Strong sound penetration,delicate and clear,bring high-fidelity sound quality,make your service more quality. Recording Function Built-in recording signal output, can provide master station and sub station audio output for recording. Technical Parameter Working Voltage：DC12V Max.Working Current:：200mA Output Power：2W+3W Microphone Sensitivity：45dB±2dB No Distortion Frequency：10Hz-15KHz Packing List 2 x Master Station 2 x Extension 2 x Power Adapter 2 x 3M Double Sided Tape 2 x User Manual 8 x Locating Pieces Technical Details Brand ‎CallToU Part Number ‎WI08 Hardware interface ‎USB Number of Items ‎2 Power source type ‎Corded Electric Batteries Required ‎No Material Type ‎Plastic Does it contain liquid? ‎No Includes rechargable battery ‎No Manufacturer reference ‎WI08 Parcel Dimensions ‎21.3 x 15.2 x 10.9 cm; 1.01 Kilograms

Product Description PORTABLE PAGING SYSTEM - Wireless nurse call system is a central monitoring system that is programmable for up to 99 nurse call buttons. The monitoring unit is suitable for various settings such as nurse stations, emergency, clinics, hospital elderly, senior care nursing homes restaurants, and cafes. DIGITAL LED DISPLAY - The nurse pager display receiver will also be notified both audibly and visually on the LED screen as to which button has been pressed. The caregiver pager system has 5 levels of volume adjustment and 10 ringtones to choose from, also with memory function, will remember your setting even if it is powered off. SET DAILY SCHEDULES - CallToU emergency call systems can display not only the number of calls but also the time. It can also set alarm clocks to remind different patients to take medicine or exercise at different times. Meaningful alarms, improved communication, and efficient systems for patients in need alleviate staff pressure. WEARABLE CALL BUTTON - Each call button comes with a 23A 12V battery. Available hang on the neck with an attached lanyard or place adhesive tape provided to fix on the wall. The alert buttons are mini-size and IP55 waterproof. When activated, visual and haptic feedback reassure the patients that help is on the way. LONG OPERATING RANGE - With up to 1000 feet / 300 meters operating range in open areas, the wireless nurse call system covers the functional requirements of most environments. Wide range of applications including nursing homes, clinics, physical therapy, assisted living, and wellness centers.     Push call button to send out help signal Nursing Caregiver Freedom Connected Care: delivers user help signal to a caregiver Versatile:You can set a separate ringtone and mode for each transmitter Wireless: Wireless the plug-in receiver, and personal emergency wearables Peace of Mind: The receiver and transmitter provides 24x7 support even when nobody is around Massive Capacity: The wireless call system is compatible with 40 call buttons in different numbers named 01 to 40       LED Call Number Display Receiver 10 ringtones to choose Alarm clock function 5-level volume adjustment (0db-120db) 300 meters(1000 feet) in the open area Plug in for use(Type-C，5V/1A)       Water-proof Call Button IP55 Waterproof Worn as a lanyard pendant Light feedback after pressing the button Compact size easy to carry the button with you Install it on the wall,bedside(package includes sticker)         Product information Package Dimensions 6.69 x 5.7 x 3.54 inches Item Weight 1.3 pounds Manufacturer CallToU Batteries 10 12V batteries required. (included)  

P4-10 Series

Product Description LONG RANGE SIGNAL DISTANCE: Call System operating range covers 1000 feet in an open area. walls and other objects will decrease operating distance, practical distance depends. FUNCTIONAL AND PRACTICAL: Wireless pager system most support to 255pcs wireless call button(NEED MORE BUTTON ASIN: B07XG78Y99, NEED MORE DISPLAY SCREEN ASIN: B081GT9P7S), pager easy to configure Button, it can improve service efficiency and save staff cost in a restaurant, definitely a good helper for your business PLUG AND PLAY: Including 10pcs waterproof call buttons for guest use and 1 display signal receiver for service counter. the receiver can be mount on the wall by screw, the button can be easily fixed on each table or on the wall, the customers just need to press the button to call bells. Have been paired before shipping, no need any internet access. Call button standby time up to 6-12 months.ant, definitely a good helper for your business OCCASION: When the guest presses the button, the screen will display the number and the sound “Number X Call” will be sounded. You can set the volume level through the receiver, repeat the number of reminders, and whether to cycle the reminder. In addition, you can also classify call buttons for different occasions, such as Cafes, tea house, restaurant, hotel, hospital wards, nursing home, rehabilitation center, industrial factory workshop, office, nightclub, golf club, etc Wireless calling system Wireless Restaurant Pager System What are the benefits of this wireless calling system? Nowadays, the service industry improves service efficiency and site security awareness. It will be equipped with a pager or an emergency alarm. When the service personnel need to be found, the caller can make a call notification. It can: Greatly increased the safety awareness of the service industry. Improve the service efficiency of the staff. Wireless calling system, simple installation, no construction wiring, reducing most construction costs and materials costs   Advantages of wireless transmission: The overall cost is low and the performance is more stable. Flexible networking, you can add call buttons at any time, plug and play. Low maintenance costs, the device is a plug-and-play, maintenance-free system.   Where there is service, where is the need for a wireless calling system！ Nursery Restaurant Bar   Product information   Package Dimensions 10.51 x 7.64 x 3.7 inches Item Weight 2.75 pounds Manufacturer CallTou Batteries 10 12V batteries required. (included)

Product Description Wireless calling system - If you are confusing how to manage customer queuing situations and save waiting time, This number calling system will help your business to refuse to be tedious! 3 Digital & Dual Speakers - 3 digital number display screen up to 999 numbers for your business. The dual speaker and 0-15 volume levels make the number broadcast to be clear and loud for any occasion. And the 3.5mm audio port support connects it to external speakers. 9 Broadcast Voice - With 9 broadcast voices for options, "Ding-Dong Number XXX please take the meal" "Ding-Dong XXX Please Come to the Counter" "Ding-Dong XXX Please Go to The Doctor", etc. Rechargeable & Portable Keypad - Wireless rechargeable keypad supports 5-8 hours of work time. The button is made from soft rubber to provide a comfortable touch experience and waterproof oilproof features. Long Range - Up to 120m(398ft) in an open area, 30-50m(98-164ft) in the business building. Easy to Use - This calling system has no wiring and fees required, just plug into the power to use. And the number display screen supports place on the table or wall mounted to use (There have two wall-mounted holes on the back, but there are not including screws in the box.)   9 Type Prompt Voice   Portable Keypad & Loud Host Screen Rejected Keypad   Loud Speaker   Easy to Install Wall Mounted   Stand on the Table   How to use this number calling system? Product information Product Dimensions 12.9 x 1.38 x 4.5 inches Item Weight 2.2 pounds Manufacturer CallTou Country of Origin China Item model number CK05

Product Description WIRELESS CAREGIVER PAGER: 1 plug-in receivers with digital number display and 6 call alarm buttons. The digital receivers have a reception range of 500 feet/150 meters and can be used whenever an outlet is available. The perfect guardian for seniors who want freedom but still want to feel safe SET NUMBERS for DIFFERENT CALL BUTTONS: Each call button for different number. You can put call buttons in every activity area, so you can get help anywhere any time.This number caregiver pager can show caregiver/ medical personnel exact location or room number where signal is coming from. It's a perfect device for places like nursing house/ hospital/ clinics/ Partments/ restaurants/ bars etc LED NUMBER DISPLAY: The digital display caregiver pager is equipped with LED flash, which can be used even at night to know who is calling for help, and caregivers with hearing impairment can also use it. The led light of the call button will light up when the power is low. Don't worry about the power problem EFFECTIVE & POWERFUL CAREGIVER PAGER SYSTEM: The caregiver pager with strong penetration, it can be used in 2 or 3 floors of residential buildings. The rescue call buzzer has 38 ringing tones, with 5-level adjustable volume from 0db to 110db. The sound is loud enough. You can freely adjust your favorite music and appropriate volume PORTABLE CALL BUTTON: There is a clip on the back of each SOS call button, which can be used as a call pendant, equipped with a rope, can be worn around the neck, can be hung on the bedside or the hook on the bathroom wall, etc wireless caregiver pager & call buttons Advantages of using wireless caregiver pager  Improve work efficiency,save staff costs In hospitals or nursing homes, patients or the elderly can get help quickly and easily Helping you take better care of your family while also having personal freedom Low Battery Reminder Call Button  One click call for help, easy to use One call button could call multiple receivers at the same time Can be matched with the CallToU receiver Gravida Wearable alert button A receiver that immediately knows the exact location is the perfect protector for gravida Patient Alarm Medical Alert Systems for Seniors A wireless caregiver pager system that can accurately know the location of the patients seeking help Life Alert Systems for Seniors Elderly people at home can seek help without shouting Children Wearable alert button Easy to use for children. The call button is wearable and won't be thrown around by children   How to Install the Call Button Battery?   Larger Working Range   Strong Penetration   Step 1 Press the “forward”/”backward” button on the receiver to select your favorite melody. Step 2 Press and hold down the volume button,until it makes a “Ding” sound and the receiver indicator flashes. Step 3 Press the call button quickly,it will make a “Ding-Ding” sound and the receiver indicator flashes. Step 4 Press the call button again to confirm if the current ringtone is the one you set, if it is, the pairing is complete. Product information Package Dimensions 5.71 x 5.12 x 4.09 inches Item Weight 14.4 ounces Manufacturer CallToU Batteries 6 12V batteries required.  

2 Receivers 2 Call Buttons and 1 Hand Call Bell. Allow caregivers and residents to be free while ensuring that help is still available at the touch of a button or shaking a bell, ideal for elderly, seniors, patients, disabled [ Easy to Carry ] The receiver can be moved with the caregiver and the open area working range is 500+ ft, you can take it to the bedroom, kitchen or yard. The call button can also be hung around the neck of the person with a neck strap who needs help like a pendant or secured with a bracket or double sticker [ Smart Ringtones ] The receiver of caregiver pager has 55 ringing tones to choose from and 5 level adjustable volume from 0db to 110db. Easy use by plug the receiver into an electrical outlet [ High Quality ] Both call button and receiver are waterproof and dustproof. Whether you install it in the washroom or take it outside on a rainy day, you don't have to worry about this caregiver pager getting wet [ Dont Hesite to Order ] The sophisticated packaging helps you keep the pager secure without worrying about losing it. If you have any questions, you can check the included user manual, and 24 hours customer services and professional technology team are standing by A MUST-HAVE FOR EVERY CAREGIVER MORE PEACE OF MIND IN YOUR DAILY LIFE   Easy Pairing and Use HOW TO PAIR THE CALL BUTTON WITH THE RECEIVER? The receiver rings when the power is turned on Hold to the VOLUME key, until the receiver makes a "di" sound and the indicator flashes Quickly press the call button to complete pairing, the receiver will sound "di-di" and the indicator light will flash Press the call button to test, the receiver rings and pairing is successful Portable Necklace Lanyard HOW TO OPEN THE BACK COVER OF THE CALL BUTTON AND ATTACH THE LANYARD? Slide the back cover according to the direction of the arrow After passing the tail of the lanyard back and forth through the small hole of the back cover, pass the head of the lanyard through the small hole of the tail Close the back cover Long Battery Life HOW TO OPEN THE BACK COVER OF THE CALL BUTTON AND REPLACE THE BATTERY? Slide the back cover according to the direction of the arrow Open the button base by turning the screw with a screwdriver Replace the 23A 12V battery Close the button base, retighten the screws, and close the back cover     Q:Are these call buttons waterproof? A:Normally, water resistance is no problem at all. I put a call button on the wall of the bathroom just in case, when it is sometimes splashed with water does not affect the work at all, but it is not recommended to stay in the water for too long.   Q:How many ringtones does this caregiver pager have? A:The receiver of caregiver pager has 55 ringtones to choose from and 5 level adjustable volumes from 0db to 110db. Easy use by plugging the receiver into an electrical outlet. I was very surprised at how easy it was to get it set up and running.   Q:Can I put these caregiver pagers in my bedroom and in the hall? A:Just plug and play. Worked all over the house. Exactly what I needed. My wife had surgery and needed to stay rest. This allowed me to work in other rooms, take a shower, and still easily be able to hear when she needed assistance.   Q:Does this caregiver call system support more devices? Can it be paired with more call buttons or receivers? A:This caregiver call system support 20 receivers and 55 call buttons. Installation is also easy and intuitive. So grateful for these little devices that I am considering buying more buttons.   Q;Do you think this is a good choice for elderly parents? A;I bought these caregiver pagers for my father who had leg surgery, all he had to do was push a call button. He cried when he first tried it out of relief and appreciation. The device works great and is so simple to use and set up. Highly recommend!     CallToU Caregiver Pager Collections   CAREGIVER PAGER CAREGIVER CALL BUTTON CALL BUTTON FOR ELDERLY CALL BUTTON WIRELESS RECEIVER MODEL 1 RECEIVER + 1 BUTTON 1 RECEIVER + 1 BUTTON 1 RECEIVER + 2 BUTTONS 2 BUTTONS 1 RECEIVER PORTABLE ✔ ✔ ✔ ✔ ✔ WATERPROOF ✔ ✔ ✔ ✔ ✘ WIRELESS ✔ ✔ ✔ ✔ ✔ VIBRATION ✘ ✘ ✔ ✘ ✘ DIGITAL DISPLAY ✘ ✘ ✔ ✘ ✘   Product information Package Dimensions 5.87 x 5.16 x 4.02 inches Item Weight 15.2 ounces Manufacturer CallToU Country of Origin China Batteries 2 12V batteries required. (included) Date First Available March 26, 2021