Product Description Door Alarms When Opened:Door alarm sensor can detect the opening/closing of doors and windows, guarding security of house, apartments and shops, etc. Easy Installation: Wireless door alarm helps you save the trouble of wire installation, This door and window sensor alarm security kit come with self adhesive pads so no tools are required, just had to stick the door alarm sensor on the door or window. Different Working Modes to Choose from: Working mode 1: 125dB alarm sounds when it is triggered. Working mode 2: 100dB alarm sounds when it is triggered. Working mode 3: 100dB "ding-dong" chime sounds when it is triggered. Wide Application: This entry alert chime can be a good reminder for you if your toddler or the elderly with dementia trying to get out of the house. Door alarms for kids safety can also be used as a door alarm, pool door alarm, garage door alarm or sliding door alarm. Window alarm sensors are powered by four long-lasting LR44 batteries (included). Customer Satisfaction: Lifetime after-sale service. Attached the detailed product instruction for your reference. Any problems with the freezer door alarm, please do not hesitant to contact us, and we will provide you with satisfactory service. Alarm system prevents children from sneaking out, unauthorized door/window access, and effectively deterring intruders. Features about This Wireless Door Alarm Sensor  Wireless door alarms can be used in a variety of scenarios Technical Details Item Model Number ‎DA03S Batteries ‎LR44 batteries required. (included) Included Components ‎Case Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Description Pile ‎Alkaline

  Product Description STAY MORE INDEPENDENT AND IN CONTROL: When you or a loved one needs more assistance due to aging or health conditions, it’s normal to feel dependent and uncomfortable. The CallTou caregiver pager is a wireless alert system that gives back some privacy and control to the patient or elderly person, whilst providing peace of mind to their family members. Nice christmas gifts GET HELP QUICKLY & EFFICIENTLY: When assistance is needed, a simple press of the panic button or watch pager sends an alert directly to the caregiver’s pager receiver. This emergency pager system is suitable for private households, as well as hospitals, nursing homes, and many other places. With a range of up to 100ft/30m, the caregiver can go about their work around the house ANYONE CAN OPERATE IT: Even with limited function in the hands, a person will be able to press the watch pager or the call bell button to ask for help. The included neck strap will ensure the elderly pager is always easily accessible. The call button unit is splash proof and can be affixed on the bathroom wall. The watch pager and alert button unit cannot be immersed in water so should be removed before bathing or showering EASY TO SET UP: This Pager and Beeper for Elderly Monitoring comes ready-to-use with standard factory settings. You can alter the settings to your personal needs yourself, or our customer support team can help you – precise pairing between multiple receivers and transmitters, setting a selection of 55 ringtones and adjusting volume 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 TIPS: If you add more units to work with previous units, you need to pair them before using. Designed for elderly needing a notification system 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 4.92 x 4.09 x 3.62 inches Item Weight 11.3 ounces Item model number 2 btns +1 watch + 2 plug-in receivers Batteries 3 12V batteries required. (included) Date First Available May 29, 2020

CCVP 2-2 N

Product Description This WiFi emergency alarm device can be connected to your cell phone for remote push to take care of the old and young at home anytime and anywhere. When the elderly or children open the door to go out, the hub will sound an alarm, at the same time, the smartphone APP will receive a warning alert, no matter the phone is in another city or province, you can receive a instant warning alert anywhere. [ Door Alarms for Home Security ] With a reliable long range of 500 feet, this wireless door chime is suitable for home, business, store and other scenarios. If you have children, pets or demented elderly who like to go out, you will receive an alert immediately and you can use this door sensor alarm to keep your family safe. [ Peace of Mind for the Hearing Impaired ] With built-in LED indicators, the wireless door alarm receiver and sensors provide extra help for the hearing impaired when used in conjunction with the receiver, making their lives easier and giving their families peace of mind. [ Share Function & Expandable] You can set the sharing function of the tuya app so that when door or window opens, everyone you share it with can receive the alert message; besides thisWIFIcall system is expandable, you can add more hubs, or door sensors to meet the needs of various different usage scenarios. [ Service guarantee] Amazon Logistics is our partner, we can deliver the package to your home within 1-2 days, we provide 30 days return service, our product manual has detailed operation instructions to help you better use our products.        Wireless Door Chime Window and Door Alarms for Home     Door Chimes When Door Opens for Home NOTE: 1.Only supports 2.4G network, and does not support 5G network!! 2.When pairing door sensor, pay attention to the orientation of the accessories, the side with the triangular pattern should be close together.After the correct direction, when you move the door sensor will only respond. WiFi By Sensor Window Alarm Sensors If you experience problems with the product not connecting or other problems, we will try our best to solve the problem for you. WiFi Door Sensor Window Alarm Sensors Product information Package Dimensions 5.47 x 4.72 x 2.32 inches Item Weight 10.8 ounces Batteries 3 12V batteries required. (included) Date First Available March 21, 2023   CallToU Product-Caregiver Pager & Door Alarm   WiFi Door Sensor WiFi Caregiver Pager WIFI Rechargable Pager Color White White Black White Range Sensor and Hub:500Ft/150m Button and Hub:1000Ft/300m Button and Hub:1000Ft/300m Feature WIFI WIFI WIFI, Battery Charging Ringtone Ringtone Phone Alert Ringtone Phone Alert Ringtone Phone Alert How to use Plug to use Plug to use After Charged/Plug to use

Product Description IMPROVED ELDERLY CARE - Press the personal SOS call button to send an emergency alert to the caregiver. At the push of an alert button, CallToU receiver will alarm your loved ones that you need help. EASY INSTALLATION - Our alert system for seniors is truly plug-and-play: simply plug them in, and they're ready to provide you with the protection you need. The wireless call buttons transmitters may be worn as a pendant, carried in pockets, also can be mounted on the wall with a bracket, or placed near the patient. PERSONALIZED RESPONSE - The wireless caregiver receiver has four options including light signals for users with limited hearing: a) Ringtone and Flash b) Ringtone c) Flash d)Mute. The receiver also has a caller display function which can tell you who calls for help; the system is expandable for more receivers and more call buttons. The upgraded call bell with low battery reminder. COVERAGE - No need for a landline or Wi-Fi. CallToU protects you no matter where you go, our emergency alert device has a coverage range of 300 feet from the receiver, including outdoor areas like the front and back yards. PEACE OF MIND FOR THE CAREGIVER - The caregiver calls button alarm system is designed for your home/nurse. Families are reassured their loved ones are safe and secure. If you have any questions, you can check the included user manual, and 24-hour customer services and professional technical team are standing by. Not only designed for seniors but also someone else who needs help! A Good Life in Old Age ___ "Call to you" is determined to provide a perfect solution that enables your loved ones to retain their independence, and dignity, and live on their own as long as possible while reducing your stress through peace of mind.   Personal Safety Wearables Anywhere in the Home Wireless: Wireless the plug-in receiver, and personal emergency wearables Connected Care: delivers user help signal to a user's family or caregiver Peace of Mind: The receiver and transmitter provides 24x7 support even when nobody is around Versatile: You can set a separate ring tone and mode for each transmitter   Flash & Sound Alarm Plug-in Receiver Four working modes Memory function Expandable for 4 transmitter 4-level adjustable volumes Function: flash 4 ringtone for choose   Personal Safety Call Button Wearables IP55 Waterproof Low battery reminder Worn as a lanyard pendant Light feedback after pressing the button Detachable bracket(wall-mountable) Pairing Instructions Say goodbye to Shouting, one click for help STEP 1: Press and hold the ringer button to make a "ding-dong" sound. STEP 2: Press the transmitter button to make another "ding-dong" sound, indicating that the receiver and transmitter are connected. STEP 3: Press the transmitter button to make a "ding-dong" sound to indicate successful pairing. 4 modes have been adjusted to be more accessible for individuals with hearing or speech impairments MODE A Ringtone Flash MODE B Ringtone MODE C Flash MODE D Mute   Technical Details Brand ‎CallToU Manufacturer ‎CallToU Batteries included ‎Yes Batteries Required ‎No Parcel Dimensions ‎11 x 9.4 x 9 cm; 200 Grams

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 【Two Way Walkie Talkie】Our walkie talkies use a special ergonomic design, which allows to hold them comfortably in their hands. And not need to yell to get someone’s attention. Both parties can communicate directly. Give both parties more freedom. Simple and convenient 【Clear voice】 With VOX function, two-way intercom. When using the walkie-talkie to talk, the sound from the speaker is very clear and can be heard easily without noise. This is good for communication 【Great for Outdoor and Indoor Activities】The receiving distance is up to 2 miles without obstacles. This is very suitable for family camping, hiking, fishing, shopping, traveling, football matches, CS games, etc. Kids can also talk to neighbors and friends at home in the rain or at night. And as a mothers day gifts 【Wide Range of Applications】Two way walkie talkie can be used in many places, such as homes, apartments, offices, hotels, stores,warehouses, hospitals, nursing homes, and so on 【Low battery and low battery reminder】 This walkie-talkie consumes less power during a call. During the charging process, the indicator light changes from red to green, indicating that it is fully charged         Ideal Gift for Kids Parents Communicate anytime more closer to each other Multi-scene Two-way walkie-talkies can be used in homes, apartments, offices, hotels, shops, warehouses, hospitals, nursing homes and other places Multi-purpose Suitable for family camping, hiking, fishing, shopping, traveling, football games, CS games, etc.     How To Use The Intercom? Two Way Wireless Walkie Talkie If you want to communicate, tune the two walkie talkies to the same channel. Press and hold the PTT button of the walkie-talkie to communicate.The indicator of the speaking party is red, and the indicator of the answering party is green.Walkie talkie gives both parties more freedom.Simple and convenient.   Rechargeable FRS Two Way Radios Low power consumption during communicate 0 capacity battery fully charged within 3-4 hours, long battery life, under normal conditions fully charged can be used for 8-80 hours. When the battery is too low, the walkie-talkie will automatically broadcast a low battery. Convenient Charging USB Charging line is more convenient for charging; USB Charger Includes overcharge,overvoltage and short circuit protection. Quickly Charging Charging for 3 hours, standby for 48 hours.   Specifications: 1.Frequency Range: 400MHz-470MHz 2.Supply Power: Supply Power:DC3.7V 3. Memory Channel: 16 4. Antenna Configuration: Internal Antenna 5. Work Mode: Co/Differ-frequency Simplex Communication 6. Ground Method: Cathode 7.Output Power: No more than 2W       CallToU walkie talkie long range CallToU Window Intercom Speaker System CallToU Window Intercom Speaker System CallToU Window Intercom Speaker System Color Black Black Silver Black Quantity 2 Pack 1 Pack 1 Pack 2 Pack Rechargeable ✓ ✓ ✓ ✓ Work Modes Wireless Wired Wired Wired   Technical Details Brand ‎CallToU Hardware interface ‎USB Tuner Technology ‎UHF Power source type ‎Battery Powered Batteries included ‎Yes Batteries Required ‎No Battery Cell Composition ‎Lithium Ion Connector Type ‎AUX, USB Does it contain liquid? ‎No Includes rechargable battery ‎Yes Parcel Dimensions ‎19.8 x 17 x 5 cm; 380 Grams

Product Description 【 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, christmas gifts 【 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 ✔ ✘

Product Description Call Button & Wireless Caregiver Pager: 1 rechargeable receiver and 2 caregiver call buttons, the Idea is for Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for elderly monitoring Help at home.This call button system, which is highly practicability, small in volume, light in weight and easy to carry Effective Caregiver Pager: Low power consumption.600+feet operating range, 0.5 second receiving speed,you can freely enter and exit the house, cross the yard and driveway, the wireless caregiver pager is easy to install, the 5-level adjustable volume is from 0db to 110db, IP55 waterproof, 5 ringing tones No Noise: When medical staff and caregivers receive help signals, just press the OFF alarm button on the receiver, and the alarm will stop without affecting others IP55 Waterproof: Call button for elderly at home 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 Easy to Carry: Alert button for seniors is Easy Carry. It can Be Put in Pocket. Or Hang on neck as Pendant. Neck Strap included. Fixed in Bedside/Washing Room  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.   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 ：

Product Description GUARANTEE: For any inquiries during product use or home potty training, simply email us for exclusive customer service and expert pet training POTTY TRAINING AID: Our doorbell system, equipped with sensitive triggering, 5-level Volume Adjustment (0-100dB), and a 1000ft Working Range, ensures you never miss a call, effortlessly reducing home training accidents PERSONALIZED SETTING: With 55 built-in ring tones, each button allows for Individual Ringtone Settings, making it easy to distinguish your pet's location, whether upstairs or downstairs, in front or behind. If you have any questions, please feel free to contact us for support EASY TO USE: Simply plug the receiver into an outlet, it's pre-paired for convenience. If you encounter any difficulties, feel free to contact us for assistance anytime REUSABLE VELCRO: Our dog doorbell, easily detachable and movable, eliminates the need for wiring. It securely attaches to doors or walls with Reusable Hook-and-Loop Tape, providing convenience during battery changes while protecting your walls CallTou Dog Door Bell Potty Training Easy to use, reliable & durable. Versatile settings for diverse needs focus on your tasks while ensuring your dog receives attention and care. Durable and Reliable for Your Peace of Mind Tailored Dog Triggers CallTou specializes in dog trigger design - a gentle touch activates it, ideal for most dogs, making communication effortless. versatile Training Dog Bell Choose from 55 ringtones for diverse training situations. 5-level volume control (0-110dB), LED reminder. Friendly for elderly & hearing-impaired. No Alerts Missed Our doorbell ensures no pet distress signals are missed within a 500-foot range, guaranteeing attention and care for your furry companions." Weatherproof Pet Doorbell Reliable and durable. Operating temperature: -20°F to 60°F. IP55 waterproof and heat-resistant for all-weather use. Easy to install.   Your pet can send you signals with just pound touch,allowing you to confidently focus on your tasks while ​ensuring your dog always receives attention and care    

About this item 7 CHANNELS & 3 DIGITAL CODE - CallToU wireless room-to-room intercom systems have ABC code selection, and 21 channels to choose from. (Each code with 7 channels from 1 to 6). Features an enhanced anti-interference and can work with other intercoms with the same digital channel code! You can add more intercoms to build wireless intercom systems for homes/businesses. PORTABLE CHARGING BY POWER BANK - This Intercom System is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want. Suitable for both indoor and outdoor usage. This device is easy to set up and install. The intercom has 2 slots and 4 rubber footpads on the back and can be mounted on a wall or table without scratching any surface. EXCELLENT SIGNAL - Our wireless home intercom system provides you with clear and anti-interference sound quality. The effective distance of this intercom wireless is 1 - 1.5 miles up to the actual circumstance. This room-to-room intercom set features VOX (voice-activated) function, allowing you to easily talk to each other hands-free without yelling through the house. It is convenient to call between long-distance rooms, like a house or office. MULTIFUNCTIONAL INTERCOM SYSTEM - Our home intercom system has 4 main functions, including monitor, talk, group, and call. Widely used for office school business house communication, perfect for one-to-one, one-to-many communication, making your life and work communication become more convenient. PACKING LIST - Package including : 2 x wireless intercoms, 2 x USB cables, 2 x USB chargers, 1 x instruction manual. Love it or your money back! We provide a lifetime service and 1-year warranty for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase. Mutil-channel & Independent Intercom System Monitor Function If you want to monitor baby's room, you need to set the same code & channel as baby's room,press monitor button,you can hear the baby's voice all day. Group Function Holding the "GROUP" button when the key indicator turns red,you can make a call to other intercoms.To reply also requires holding the "GROUP" button. Call Function Press the “CALL” button, and other devices with the same code & channel will be ringing to remind them there was someone calling. Talk Function Select the code and channel you will talk; Holding the " TALK" button to start talking, the digital display will turn red when talking. Technical Details Brand ‎CallToU Color ‎Black Power Source ‎DC Connectivity Technology ‎Wireless Installation Method ‎Wall-Mounted Item Weight ‎366 Grams Voltage ‎5 Volts Control Method ‎Touch Maximum Range ‎1 Miles Included Components ‎Switch Part Number ‎CI05-CTU US-2 Item Weight ‎12.9 ounces Product Dimensions ‎5.9 x 5.3 x 1.4 inches Country of Origin ‎China Style ‎intercom Shape ‎Rectangular Usage ‎Outside; Professional, Inside; Professional, Inside, Outside Batteries Required? ‎No Date First Available February 27, 2023

🔔【Wireless Door Sensor Chime】 Door open chime can be used as a way of remind business when customers coming .Or as an alarm，protect children when they open windows/door at will or prevent thief comes. 🔔【Friendly for Elder or Hearing Impaired Person】Wireless door sensor chime with colorful LED flash indicator can attract your attention even when the receiver is muted.The LED flash will keep flashing and changing until the bell stops. 🔔【55Melodies &5Volume& Memory Function】Door open chime with 55 chimes and 5 levels adjustable volume(0dB to 110 dB).Different occasions choose different volumes,You can aslo set different ringtones for different doors. HUWOO open door sensor can keep the previous setted tune after re-plugging it. 🔔【1000ft/300mOpenArea Range&Easy to Install】The signal distance of wireless door chime kit in open area is up to 1000ft Whether you are upstairs,in the garden,or a few rooms away, you can hear the bell ringing. The entry alert chime just plug into outlet,then stick door sensor to any doors or windows. 🔔【Waterproof Door Contact Sensor】The door sensor is IP55 waterproof and can be installed outdoorsThere is waterproof silica gel inside to protect the built-in 23A 12V alkaline battery fromrain.Before sticking the sensor,please take out the insulating paper and pair it with the receiver. Product Description   Friendly for Elder or Hearing Impaired Person/Suitable for Business CallToU wireless door sensor chime with colorful LED flash indicator can attract your attention even when the receiver is muted. The LED flash will keep flashing and changing until the bell stops. Serving Customer CallToU wireless store entry chime can be used to remind business when customers coming, that can't miss any customers. Office Business CallToU door chime for business when entering can be used to warm prompt the office staff when someone comes in. Protect Children CallToU bells for doors alert of opening can be used to help you quickly stop your child from opening doors or Windows at random. Prevent Thief CallToU wireless security door chime can be used as an alarm. When the thier coming, you can find him as soon as quickly.   How to pair？ Each door sensor is paired before delivery, you can use it directly. The doorbell is paired. The default ringtones is “Ding-Dong”. User can change the ringtone easily. Step 1: Press the Forward or Backward button on the receiver to choose your favorite melody. Step 2: Press and hold down the Volume botton on the receiver for 5s, until it makes a "Ding" sound and the receiver indicator flashes (that means the doorbell entered into the Pairing Mode, the pairing mode will only last 8s, then it will automatically exit). Step 3: Make the gap of sensor part and magnetic beyond 10CM(4IN) (the sensor send signal to receiver), it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4: Make the gap of sensor part and magnetic beyond 10CM(4IN) again to confirm whether the current ringtone is the one you have set, if yes, the pairing is completed.   Technical Details Item Weight ‎8.8 ounces Product Dimensions ‎4.33 x 3.54 x 3.66 inches Country of Origin ‎China Size ‎3 Sensor + 1 Receiver Color ‎Black Item Package Quantity ‎1 Batteries Required? ‎No