Showing 205–216 of 251 results

CallToU Window Speaker Intercom System Intercoms 2 Way Anti-Interference Intercommunication Microphone Counter Intercoms

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

CallToU Business Door Entry Chime Door Open Alert for Store Home Office Door Alarm with Chime Adjustable Volume 55 Ringtones (Black)

【Easy to Install】The sensor and receiver are paired already,Just plug the receiver into standard outlet, tear the double-side adhesive tape of the door / window sensor and stick them to any door or window. 【Long Range & Expandable】The door chime wireless door sensor has 1000feets far enough to cover every door in your house or store. And each door opening chime for business can be paired unlimited magnetic sensor, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered 【Monitor Your house with Wireless Door Chime】This entry alert chime can be a good reminder for you if you have toddler who try to sneak out of their bed room or help alert you the elderly with dementia who is trying to get out of the house. 【Keep Your Home Security 】This door sensor chime for business when burglar opens door and helps deter break-ins(business door chime activates when magnetic sensor separates) 【Mute To 120 DB Loud Soud 】This door alarm with chime has 5 adjustable volume from 0-110 dB silent mode, 0dB won't disturb a sleeping baby. Memory function: Keep the previous setted tune after re-plugging it Product Description Perfect for a big house 1000ft Wide Wireless Range Make sure you hear the ringtones even from the back door CallToU Wireless Door Chime for Business/Home Long Range & Expandable The door chime sensor has 1000ft far enough to cover every door in your house or store. And each door chime for business can be paired unlimited magnetic sensor, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered   Door chimes when door opens for home Door open alarm will alert you when old dementia patients/alzheimers patients is trying to get out of the house or alarm you know your little toddler who trying to sneaking out from bedroom or sleepwalking . Door announcer- keeping the track on your loved one.   Door chimes when door opens for home   Door open alarm will alert you when old dementia patients/alzheimers patients is trying to get out of the house or alarm you know your little toddler who trying to sneaking out from bedroom or sleepwalking . Door announcer- keeping the track on your loved one. Office door chime The door buzzer entry system has 5 volume and 55 song(15 short ringtones and 40 long ringtones) ,it will alarm when someone comes and goes from your office’s front door.(door buzzer can be programed each for a different tune so you can know which door opens) Whether you are pairing multiple sensors or want to change your music, you only need to re-pair once.   How to change the batteries & Packages 1.Gently move the cover of magnetic door sensor 2. Remove the battery out to replace a new one.   Installed on almost all doors It can be installed on doors, glass doors, sliding doors, Windows, refrigerators, cabinets and other places. Technical Details Color ‎3 Sensors + 1 Receiver Power Source ‎Sensor: Battery-Powered; Receiver: AC Item Dimensions LxWxH ‎4.72 x 3.54 x 4.13 inches Connectivity Technology ‎Wireless Installation Method ‎Self-Adhesive Item Weight ‎0.25 Kilograms Voltage ‎110 Volts Battery Cell Composition ‎Alkaline Battery Life ‎2 years Sound Level ‎110 dB Item Weight ‎8.8 ounces Product Dimensions ‎4.72 x 3.54 x 4.13 inches Country of Origin ‎China Item model number ‎MC01BL 3-1 Batteries ‎3 12V batteries required. (included) Is Discontinued By Manufacturer ‎No Material ‎ABS Shape ‎Square Mounting Type ‎Protruding Plug Format ‎A- US style Usage ‎Commercial/Residential/ Indoor Batteries Included? ‎Yes Batteries Required? ‎Yes  

CallToU Portable Rechargeable Paging System for Restaurant Clinic Church Cafe Shop

Product Description 【Wireless Paging System】pager system can doing take out a lot more organized for business; avoid staff chaos;keep social distance; widely used in restaurant;hotel; hospital; church; office 【3 Modes for restaurant paging system】vibration and flash; buzzer and flash; vibration and flash with buzzer; User can switch the mode you like.meet the needs of different occasions 【Applicable scene】 widely used hotel,church, office, restaurant,shopping mall,recreation center,cafe, food court, clinic, auto shop,4S store, bank, factory, test center and other queue 【Long range】adopt advanced wireless radio frequency technology and learning to code , the call range can up to 200m in open space,practical distance depends on many factors. 【Rechargeable Battery】Built-in external antenna on keypad and 16 batteries charging slots for pagers.You can add up to 999 pagers , also support multiple keyboard call the same receiver, don't worry about business increasing. CallToU Restaurant Pager Improve Work Efficiency   Guest come to the restaurant and makes an order will get a receiver with corresponding number from the waiter.When the order is ready, the waiter at the counter will press the number on the keyboard host. The corresponding guest gets the wireless signal by his pager vibrating or LED flashing or sounding, then he knows order is ready and goes to the counter to take his food. According to different scenarios, you can change the pager number sticker and repairing the pager number. Combine the built-in rechargeable battery to better meet your demands. How to add more receivers Step 1 : Insert the receiver into charging slot, long press the key for 3 seconds, three red LED light will be keep on mean enter registration state. Step 2 : Press the keyboard corresponding to the number, then press the [CALL] key, receiver buzzer two times mean registration success, short press return to standby state. Package included 1 x Keyboard call host 16 x Pagers 1 x Power adaptor 1 x User manual Features 16 charging slot Receiver power indicator, low-battery alert The host password protection to prevent error Settings Super receiving sensitivity Self testing while power on One key call all receivers One-key turn on/off Charge without heat Keyboard call host Working frequency : 433.92MHz Supply voltage : Input:AC100-240V Output:DC5V/5A Standby current : <10mA Transmit current : 100±30mA Size : 9.2*6.2*1.3 in Buzzers Working frequency : 433.92MHz Supply voltage : DC3.7V (Rechargeable battery) Charge voltage : DC5V Standby current : <15mA Working current : <100MA Receive sensitivity : -110±2dBmv Size : 4.1*2.0*0.4 in   Where we can use CallToU Restaurant Pager ? Restaurant Food Truck Church Cafe Shop       CallToU Calling System CallToU Calling System CallToU Calling System CallToU Calling System Model 1 Display Receiver + 5 Button 1 Display Receiver + 10 Button 1 Wrist Pager + 5 Button 1 Wrist Pager + 10 Button Expandable ✓ ✓ ✓ ✓ Portable call button call button call button call button Prompt Modes 1 1 4 4 Product information Package Dimensions 12.24 x 6.93 x 4.09 inches Item Weight 3.69 pounds Manufacturer CallToU Batteries 16 Lithium Polymer batteries required. (included) Date First Available April 28, 2021

CallToU Wireless Caregiver Monitors Pager Call Button for Elderly Nurse Call System Call Bell with LED Number Display 500+ft

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.  

CallToU Wireless Caregiver Pager Call Button 500Ft Smart Nurse Calling Alert for Home/Elderly/Disabled/Patient Alert Button

About this item WIRELESS CAREGIVER PAGER: 1 plug-in receivers with digital number display and 4 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 FAST AND ACCURATE ARRIVAL: Each call button corresponds to a number, and this setup allows caregivers to arrive at the exact location. Caregiver pager system with LED digital display increases caregiver efficiency and elderly sense of security CALL BUTTON FOR ELDERLY AT HOME: Seniors in the home can stick call buttons in places or rooms they walk around a lot and set numbers for the buttons so that caregivers/family members can get to your location faster EFFECTIVE CAREGIVER PAGER SYSTEM: Caregiver pager with powerful penetration for residential buildings.Rescue call buzzer with 55 bells and 5 adjustable levels of volume from 0db to 110db. The sound is loud enough. You can freely adjust your favorite music and appropriate volume HIGH QUALITY AFTER -SALES SERVICE: If any problem occurs during use, please contact CallToU customer service via email.       Product information Package Dimensions 3.7 x 3.7 x 3.54 inches Item Weight 12.3 ounces Batteries 4 AAA batteries required. (included) Date First Available March 26, 2023 Manufacturer CallToU

CallToU Caregiver Pager for Seniors Emergency Pager System for Elderly Monitoring

About this item 【 Wireless Guard 】 2 Receiver 3 Call Button. Allow caregivers and residents to be free for their daily work and life. When the elderly and senior need a help, just press the call button. Ideal for elderly, seniors, patients, disabled. Protect the elderly privacy and independence 【 Easy to Carry 】 The caregiver pager system can be used in the bedroom, kitchen or yard with open area 300 FT working range. The call button can take by hand, put into pocket, hung around the neck of the person with a neck strap who needs help like a pendant and secured with a bracket or double sticker 【 55 Ringtones & 5 volume level】 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 and you can set the suitable volume level as your request 【 Waterproof and dustproof 】 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 【OUR PROMISE TO YOU 】 A alert system for seniors and patients needs to be reliable 24/7. At CallTou, we provide round-the-clock customer service, in addition to a full year’s warranty and money back guarantee. Because we want you to have that peace of mind when it comes to caring for your loved one Key Features Ultra low-power design, longer working hours Pager: 3*AAA Battery Transmitter: 1* 12V 23A Alkaline Battery Working voltage of Receiver:110-260V How To Change Ringtone & Pair The Pager? Step 1 Press the " forward " / " backward " button on the receiver to choose 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 makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4 Press the call button again to confirm whether the receiver can sound, if yes, the pairing is completed. How To Change The Batteries? Step 1 Use the mini screwdriver to unscrew the 3 screws. Step 2 Change the battery. Designed for you Dog Doorbells Paging System Waterproof ✔ ✔ Maximum Signal Range 300 ft 720 ft Volume 5 Levels Volume — Ringtones 55 — Plug-in Receiver ✔ ✘

CallToU Caregiver Pager Call Button System for Elderly at Home

Product Description 2 Receivers and 3 Caregiver Call Button, the Idea is for Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for Help at home. Not need to Yell to Get Someone’s Attention. Durable adult monitors for elderly. The portable receiver is rechargeable,magnet on the back,bring it with you everywhere by keeping it in pocket/bag.You can cook in the kitchen, water the flowers in the yard,take the express at the door. No noise . When Caregiver receive the help signal , just press the OFF button on the receiver , the alarm will stop,not affect others. Panic Button for Elderly is Waterproof. Acceptable for Meal/Soup Splash. And Allow to be Installed in the Washing Room.It requires a 23A 12V Alkaline battery which are already included and not rechargeable Transmitter/Push Call Button is Easy Carry. It can Be Put in Pocket. Or Hang on neck as Pendant. Neck Strap included. Fixed in Bedside/Washing Room. The Fixed Bracket and Double sticker are included  User Manual CallToU Wireless Caregiver Pager Call Button System Are you still worried about how to take better care of your family? CallToU USB Senior Caregiver Pager will solve the problem for you! Waterproof Splashing Durable Caregiver Pager No Noise - “OFF” Button Magnetic Attraction   Lightweight and Portable   How to pair more transmitters and select music? Step 1 Press the "music"button on the receiver to choose your favorte melody. Step 2 Press and hold down the "volume" and "music" button ,until it makes a "Ding Ding" sound and the receiver indicator flashes. Step 3 Press the call button quickly it will makes a Ding-Ding" sound and the receiver indicator fashes. 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. Use Flexibility   600 ft Portable Rechargeable Caregiver Pager   CallToU Wireless Caregiver Pager Call Button   Portable Caregiver Pager Plug-in &Battery Receiver LED Number Pager Almighty Caregiver Pager Wifi Caregiver pager Plug-in Receivers Almighty Caregiver Pager Range 600 ft 500 ft 500 ft 500 ft 2.4GHz Wi-Fi service range 550 ft 500 ft/70ft(SOS Watch) Button Type Neck Wearable Neck Wearable Neck Wearable/Belt Clip Neck Wearable/Wrist Wearable Neck Wearable Neck Wearable Neck Wearable/Wrist Wearable Rcceiver Tape USB Charged Plug in & Battery Plug in USB Charged&Plug in Plug in Plug in Plug in Water Resistance IP55 Waterproof IP55 Waterproof IP55 Waterproof IP55 Waterproof IP55 Waterproof Showerproof Showerproof Ringtone/Volume Levels 5 Ringtines/5 Volume Levels 55 Ringtines/5 Volume Levels 38 Ringtines/5 Volume Levels 5 Ringtines/4 Volume Levels 38 Ringtines/5 Volume Levels   Fast Delivery:We prioritize shipping from local warehouses in your country/region (such as the United States, Canada, etc.), and you will receive the package soon. Product information Package Dimensions 4.61 x 3.27 x 3.11 inches Item Weight 12.3 ounces Manufacturer CallToU ASIN B08GFMM64B Country of Origin China Batteries 3 12V batteries required. (included) Is Discontinued By Manufacturer No   Pay attention!!!Each set is individually paired and ready to use. If you need to add more call buttons, it is also possible, but you need to re-pair, the specific pairing video can refer to this :

CallToU Caregiver Pager Call Button for Elderly Emergency Call Button Home Alert System Alarm

【 Wireless Guard 】 2 Receiver 2 Call Button. Allow caregivers and residents to be free for their daily work and life. When the elderly and senior need a help, just press the call button. Ideal for elderly, seniors, patients, disabled. Protect the elderly privacy and independence 【 Easy to Carry 】 The caregiver pager system can be used in the bedroom, kitchen or yard with open area 300 FT working range. The call button can take by hand, put into pocket, hung around the neck of the person with a neck strap who needs help like a pendant and secured with a bracket or double sticker 【 55 Ringtones & 5 volume level】 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 and you can set the suitable volume level as your request 【 Waterproof and dustproof 】 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 【OUR PROMISE TO YOU 】 A alert system for seniors and patients needs to be reliable 24/7. At CallTou, we provide round-the-clock customer service, in addition to a full year’s warranty and money back guarantee. Because we want you to have that peace of mind when it comes to caring for your loved one, christmas gifts TIPS: If you add more units to work with previous units, you need to pair them before using.   How To Change Ringtone & Pair The Pager? Step 1 Plug the receiver into the socket. Step 2 Press the forward or backward button to select your favorite ringtone. Step 3 Press the volume control and hold it until hear a sound "ding-dong", it meand the receiver get into pairing mode. Step 4 Press the call button/watch button, hear the receiver makes a sound "ding-dong" that means the receiver and the call button are paired.   NOTE 1. The working distance between the call button and the receiver is about 300 ft/90 m, and the working distance between the watch button and the receiver is about 100 ft/30 m. 2. Call buttons and watch buttons can only be splash-proof, Not immersed in water. 3. When the receiver is restored after a power outage, the volume will be restored to the default setting. The default volume setting to maximum volume level ,that is 110dB. Product information Package Dimensions 4.41 x 3.66 x 3.58 inches Item Weight 7.4 ounces Manufacturer CallTou Item model number LC01US 1-2 Batteries 2 12V batteries required. Is Discontinued By Manufacturer No Date First Available July 20, 2018

CallToU Door Bell for Potty Training/Doggie Doorbells with 55 Melodies 5 Volume Levels LED Flash

Product Description WIRELESS DOG DOORBELLS FOR DOOR POTTY TRAINING CORRECT BAD HABITS: Our dog bells can develop loved dog's good habit in an easier way. It is a premier solution for dog potty training, barking, scratching. Doggie can communicate with you when they need to go out or come in HOW TO TRAIN YOUR PET: Put a bit of Peanut Butter on the Bell when you want let him out, and he'd notice it when he was ready to come in and lick it, which triggered the bell. Every time he does this you praise him up and down, and eventually you use less and less peanut butter WORKS FOR ALL DOGS: This dog doorbells solves the problem of small dog pressing, No need to press, Just touch or slip over the button lightly to activate, easy for any small or big dogs to use and flexibly increase or decrease the receiver and transmitter according to your needs, durable christmas gifts EASY TO SET UP: No screws or wires needed, the Activator is easily mounted on door or wall with a 3M adhesive strip, no tools required CUSTOMIZABLE: 55 ring tones and 5 volume levels can be customized to your choice , Mute mode and LED Flash is also available which is easy for people including the hearing impaired to notice.With an effective working range of up to 300 feet, you'll always be able to hear your pup anywhere in the home TIPS: If you add more units to work with previous units, you need to pair them before using.   How To Change Ringtone & Pair The Dog Doorbell? Step 1 Press the " forward " / " backward " button on the receiver to choose your favorite melody. Step 2 Press the volume button to select volume. Step 3 Press and hold down the volume button, until it makes a "Ding" sound and the receiver indicator flashes. Step 4 Press the dog doorbell to confirm whether the current ringtone is the one you have set, if yes, the pairing is completed. Easy Installation Plug in the receiver. Easily stick the provided hook & loop to the back of the dog button.  

1 receiver 3 touch buttons2 receivers 2 touch buttons

CallToU Portable Restaurant Pager System,Waiting Buzzers Pager for Servers

  Guest come to the restaurant and makes an order will get a receiver with corresponding number from the waiter.When the order is ready, the waiter at the counter will press the number on the keyboard host. The corresponding guest gets the wireless signal by his pager vibrating or LED flashing or sounding, then he knows order is ready and goes to the counter to take his food. According to different scenarios, you can change the pager number sticker and repairing the pager number. Combine the built-in rechargeable battery to better meet your demands. How to add more receivers Step 1 : Insert the receiver into charging slot, long press the key for 3 seconds, three red LED light will be keep on mean enter registration state. Step 2 : Press the keyboard corresponding to the number, then press the [CALL] key, receiver buzzer two times mean registration success, short press return to standby state. Package included 1 x Keyboard call host 16 x Pagers 1 x Power adaptor 1 x User manual Efficient and convenient Recharge Anytime Long Signal Range Product information Package Dimensions 19.3 x 9.7 x 3 inches Item Weight 3.3 pounds Manufacturer CallToU Date First Available May 20, 2021

CallToU Wireless Caregiver Pager Call Button Emergency Alert System Waterproof Call Bell

CallToU: Calling you! Users call family, friends, and people around them for help. Since its inception nearly 10 years deep in the security industry, the brand for the elderly, children and other special groups of people continue to develop high-quality products and provide a great user experience. Our mission: to make users safer, families more at ease, and life better.  User Manual Product Description   5 Volume level and 500 FT Working Range Pairing Method of Portable & Vibrate Receiver Turn on The portable Receiver   Push down to open back cover As shown in the figure, gently push down to remove the back clip Select ringtone, Pair 1. Press "Music" Button to select wanted ringtone 2. Press the Vibrates Button if you want the vibrate 3. Press the "Volume" button until hear "Ding Check the Pairing 4. Short press call button, will hear a "Ding-ding" 5. Press the panic button, if the ringtone is your set before, which means the pair is successful Pair Method of Plug-In Receiver Select your wanted ringtone Press Backward and Forward button to choose your wanted chimes Press Volume Button Press Volume Button until hear a "Ding" Pairing Short press call button, will hear a "Ding-ding" Paired Press the panic button, if the ringtone is your set before, which means the pair is successful Technical Details Manufacturer ‎CallToU Item Weight ‎13.4 ounces Package Dimensions ‎5.08 x 4.09 x 4.09 inches Size ‎2 receiver + 4 call button Power Source ‎Battery Powered Voltage ‎260 Volts Item Package Quantity ‎1 Sound Level ‎110 dB Batteries Included? ‎Yes Batteries Required? ‎No Battery Cell Type ‎Alkaline