【Portable Wireless Doorbells】 Hearing impaired doorbell has a back clip can be placed in the belt or pocket to carry around, without the restrictions of the socket more convenient to remind, when someone comes to visit, from anywhere in the house can hear the call, suitable for the elderly who are hard of hearing and friends with hearing problems (need to use batteries) 【4 Modes for You to Choose】 Deaf doorbell flashing light has: 1,ringing + vibration 2,ringing + flashing light 3,ringing + vibration + flashing light 4,flashing light four modes to choose, flashing light silent mode, do not worry about the ringing will disturb the sleeping baby. LED light flashing, ringing vibration, you will never miss any visitors, in different scenes can choose different modes 【Adjustable Doorbell Volume】20 kinds of short ringtones, including "Ding Dong", "Bell Ringing, Christmas Song" and other music styles. It supports five-level volume adjustment, the sound range is 0-110db, the volume is very large, and the whole house can hear it, suitable for various occasions. Silent mode that won't interfere with other devices in your home or neighbors User Manual Product Description Durable Gift for The Elderly Hard of Hearing Why Choose Our Doorbell Hearing Impaired Over Others?  This home wireless doorbell is specially designed for the hearing-impaired seniors and friends who are hard of hearing Supports 5-level volume adjustment, vibration, mute, burst and other 4 modes Portable Design: The doorbell for the deaf has a back clip, which can be carried on the belt or pocket, and it is more convenient to wake the owner. Long-distance anti-interference: The working distance can reach 1000 feet in an open and barrier-free environment, long-distance remote control, stable signal, no mutual interference, and signals can be received anywhere in the home. Music to Your Ears: The doorbell boasts an ample selection of 20 melodies and a wide volume range of 0-110 dB. Ranging from traditional doorbell chimes to jingles known around the world, the playlist certainly offers a chime that suits your taste. Adjustable Volume This wireless doorbells has 4 pleasant ring tones to choose from. You can set a simple "ding-dong" sound or short music. With 5 adjustable volume levels from 0-110 dB, the sound is loud and clear so you can hear it no matter where you are. Portable design Ditching the traditional wireless doorbells for home, the doorbell can be carried around to your dining room, garden, backyard and give you instructions whenever you have visitors. IP55 Waterproof IP55 waterproof, designed specifically for outdoor usehearing impaired doorbell that functions between -4°F and 140°F, this doorbell can operate in even the harshest weather conditions.   Conveniently Battery Powered   Driven by 3 AAA batteries (included), the receiver doesn't occupy a power socket and can be installed in seconds. It saves you from the trouble caused by power outages and remembers your settings even when replacing batteries   Easy to Use   2 mounting options: screws and double-sided tape are included for easy fixing. You don't need any wires. Very convenient and easy to install, just plug the receiver into an electrical outlet and the transmitter uses batteries (included).   Pairing Instructions   Press and hold the ringer button to make a "ding-dong" sound, then press the transmitter button to make another "ding-dong" sound, indicating that the receiver and transmitter are connected. and then press the transmitter button to make a "ding-dong" sound to indicate successful pairing.     Not only a doorbell, but also a pager The elderly, children, pregnant women, patients in need, press the transmitter call button, get help to caregivers, family care, a night of peace of mind, sleep.     CallToU Caregiver Pager 2 Receiver + 2 Button CallToU Smart Call System 2 Receiver + 4 Button CallToU Motion Sensor Bed Alarm System 1 Sensors + 1 Receiver + 1 Button CallToU Window Speaker Intercom 1.77IN Portable ✓ ✓ ✓ ✓ Clear Sound ✓ ✓ ✓ ✓ Volume Adjustable ✓ ✓ ✓ ✓ Technical Details Manufacturer ‎CallToU Item Weight ‎10.8ounces/12 ounces Package Dimensions ‎‎3.74 x 3.62 x 3.58 inches/3.74 x 3.7 x 3.58 inches Batteries ‎2 AAA batteries required. (included) Size ‎2 bell+ 2 receiver Color ‎Black Material ‎Plastic Shape ‎Rectangle Number Of Pieces ‎2 Usage ‎Wireless Anti-Theft Doorbells for Home Included Components ‎remote waterproof transmitter × 2 Batteries Included? ‎Yes Batteries Required? ‎No Battery Cell Type ‎Alkaline

An Absolute Must to Care for The Elderly and Sick 55 Ringtones and 5 Level Volume 55 Ringtones ,the default ringtone is “Ding-Dong” 5 Level Adjustable Volume From 0db to 110db Working voltage of Receiver:110-260V How to change the ringtone 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 current ringtone is the one you have set,if yes,the pairing is completed. Expandable with Receivers/Transmitters How to pair more transmitters Step 1:Press and hold down the volume button on the receiver until it makes a "Ding" sound and the receiver indicator flashes. Step 2:Press the call button quickly,it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 3:Press the call button again to confirm whether the receiver can sound,if yes,the pairing is completed. If the caregiver pager can not work when you received it,please re-pair it.                                                       NOTE: The walkie-talkie cannot be linked with the pager，only connect to each other. 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! User Manual 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 5.67 x 5.16 x 4.02 inches Item Weight 1.21 pounds Manufacturer CallToU Country of Origin China Batteries 2 Lithium Polymer batteries required. (included) Date First Available April 8, 2021

CallToU Wireless Call Pager Alarm System to Make Your Life Better. Product Description Stay More Independent And In Control:The caregiver pager is a wireless, long range medical alert system that gives back some privacy and control to the patient or elderly person, whilst providing peace of mind to their family members. Get Help Quickly & Efficiently: When assistance is needed, a simple press of the panic button sends an alert directly to the caregiver’s pager receiver. Operating Range is 800+ Feet in open Area Waterproof：Transmitter/Push Call Button is Waterproof. Acceptable for Meal/Soup Splash. And Allow to be Installed in the Washing Room Easy to use：Just put 2 AAA batteries (included) in the receiver and switch on.The pager will ring and vibrate and flash when press the call button. Choose vibration and 25dB volume(4 Volume Levels from 25dB-110dB), only wake up the night shift caregiver, and not disturb others Our Promise To You: A medical alert system for seniors and patients needs to be reliable 24/7. 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. User Manual Caregiver pager for taking care of patients or elderly at family or nursing home，give you more freedom. Wireless portable caregiver pager easily use and with IP55 waterproof call button. Vibrations could remind people with poor hearing, especially suitable for elderly take care of each other. It is robust and lightweight and can be attached to your belt or tucked away in your pocket. Feature Long Range Long range,Working distance is about 800ft in Open Area Vibrate It alerts you with vibrations and peace sound when your kids or elderly need you/caregiver. IP65 Waterproof IP65 waterproof, suitable for wet environments   1.Made of high-quality raw material, these call button pagers are durable, sturdy, and have long-serving life. 2.Strong and powerful signals and adjustable volume for easier use. 3.Comes with a neck strap so you can hang it on your neck.   Easy to Use Step 1: Press the set button on the receiver until it makes a "di" sound, and the receiver indicator flashes. Step 2: Press the call button,it will makes a "di-di" sound, and the receiver indicator flashes. Step 3: Press the SOS button again to confirm whether the receiver can sound,if yes,the pairing is completed.   Widely Application Pregnant woman patient child Elderly  

Product Description 2 Plug-in Receivers and 2 Call Panic Buttons, the Idea elderly assistance products is for both caregiver and patient/ elderly/ resident/ handicapped/ sick freedom while still calling for help to elderly monitoring at home. Not need to Yell to Get Someone’s Attention The caregiver pager is with 2 receivers for large house allows you to set one in bedroom to wake you up when wireless signal comes in, Another could set in other floor,passage or any other location with an electric outlet. Nice personal safety alarm elderly. Caregiver call button 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 Carry: Alert button for seniors can be put in pocket. Or hang on neck as pendant with neck strap. Fixed in bedside/ washing Room. The Fixed Bracket and Double sticker are included 55 Ringtone and 500+ Feet operating range: The emergency alert system for seniors is with 55 chimes and long operating range in open Area. 5 Level Adjustable Volume From 0db to 110db. Easy Use (Plug and Play) Plug the Receiver into an Electrical Outlet With the Help of CallToU Caregiver Pager, No Need to Look After sb. 24H/7D, Caregiver can be More Freely to do other Business.       Rechargeable Pager Call Alert Emergency Beeper Elderly Patient Caregiver Caregiver Pager Wireless Call Button Nurse Call System Caregiver Pager Elderly Nurse SOS Call Buttons Life Alert Seniors Patient Alarm Alert Button Seniors Life Buzzer Home Caregiver Pager Elderly Wrist Panic Button Caregiver Call Button Medical Wireless Elderly Wrist Panic Button nurse Receiver Portable/Rechargeable usb Port 2 Plug-in Receiver Portable/Battery Powered & Plug-in Plug-in Receiver Rechargeable & Plug-in Call Button 2 Portable Button 6 Portable Button 2 Portable Button 1 Portable Button 1 Portable Button Other       1 Wrist Button 1 Wrist Button

• Free shipping,no monthly fees, not need to yell. 
• Call button for seniors,patient,disabled,pregnant woman,child safety. 
• IP55 waterproof,fixed in bedside/washing room,hang on neck as pendant.
• One call button could call multiple receivers at the same time.
• Each call button support more than 999pcs of recevier.

Product Description : Connect the smart SOS call button to your WiFi at home and add it to the Tuya smartphone app. When the elderly needs help, they just need to press the call button( please note: the distance of call button to the wifi can't exceed 15 meters), you can receive the help signal at first time where you are [Rechargeable &Call Button's Battery Power Display on the Phone]: When the help call button has connected with our mobile phone via 2.4GHz wifi, we can check the battery power level of the transmitter on Tuya APP, which can remind us when the button need to charge and avoid catastrophe [Give You More Freedom for Life & Work]: This WIFI caregiver pager can be used as a simple indoor wireless caregiver call button system, but also as a remote call system that can span different cities, states, and even countries [Easy to Use]: The wifi call button just need to press slightly, and caregiver can receive the alarm. We can stick the alert button on shower wall, stick on wheelchair for disabled, and can wear the neck of the elderly, patient, the disabled, kids as a pendant(Our package with a lanyard) [Share Function & Expandable]: You can set the sharing function of the tuya app so that when your loved one presses the panic button, everyone you share it with can receive the alert message; besides this WIFI call system is expandable, you can add more hubs, or call buttons to meet the needs of various different usage scenarios [Multiple Usage Scenario with WIFI 6 function]: The wifi emergency button can used for seniors at home, nursing home, hospital, clinic, etc. WIFI 6 function is with low power dissipation and fast speed [Durable After-Sales Service]: Amazon Logistics is our partner, we can quickly deliver the package to your home within 1-2 days. If you have any questions about caregiver pager, you can check the included user manual, and 24 hours customer services and professional technology team are standing by User Manual CallToU Wifi Call Button(Only Support 2.4GHz WIFI) SOS Call Button's Features   The distance between call button and wifi     Global Use, Easy Our Life When the wifi call button connect your mobile phone via 2.4GHz wifi, you can receive the alarm anytime anywhere without restriction. Give you more freedom for your life and work.   CallToU WiFi Tuya SOS Smart Call Button Rechargable Wireless Caregiver Pager   Technical Details Manufacturer ‎CallToU Item Weight ‎1.92 ounces Package Dimensions ‎2.75 x 2 x 1 inches Power Source ‎Battery Powered Batteries Required? ‎No

New Watch Features： 1: The improvement of touch performance solves the problem that the first button is not sensitive or often cannot be pressed when the watch is in normal operation. 2: Adopt 4-button design, compared with 3-button watches, the operation is more convenient and flexible 3: Improvement of power consumption of touch work, 90 hours of normal working standby, 6-7 months of standby after shutdown 4: Solve the problem of touch interference to wireless reception, improve the receiving distance, and the actual reception is 100 meters 5: Fully waterproof, there is potting waterproof glue between the face sticker and the face shell, between the face shell and the bottom shell, which can achieve the waterproof effect of soaking in water for a short time without water ingress, and there is 3M glue in the face sticker Interlayer, it is not recommended for customers to soak in water for more than 2 hours User Manual

E-R700 User Manual The new model has a better distance, and the operation method remains unchanged The enhanced button's signal is compatible with all products available in our store, ensuring it's a versatile solution. Should you encounter signal issues while purchasing other products, consider using this remarkable device to amplify the signal, thereby enhancing your overall quality of life and convenience. Features Super receiving sensitivity Call range 1500 m (open space) Support to learn 999 transmitter Compatible with 1527 and 2262 codes Need to be paired with receiver to work Nurse call button need to be paired with CallToU receiver then the unit can work. Smart wireless nurse call button allows a patient or an elderly to press a button requesting assistance Waterproof, light With lanyard, can wear around the neck Detail Wireless nurse call button transmitter for patients,the disable,the elderly or pregnant,receiver is not included,they can press the button to get timely care when they need help.When you receive the button,you need to pair the button to the receiver then the button can work well with the receiver.Target groups Patients, the disable, children, the elderly, the pregnant, bedridden   Note: If the wireless range becomes short please replace the battery of call button. Battery:23A 12V Alkaline battery included Operating Range:500+Feet in open areaWaterproofFrequency Range:433MHZFrequency deiation:0.5MHZSpecifications:2.36*2.36*0.8(60*60*20mm)Low battery indication Product information Package Dimensions 3.31 x 3.15 x 2.83 inches Item Weight 4.2 ounces Manufacturer CallToU Country of Origin China Item model number 6543837068 Is Discontinued By Manufacturer No     How to pair the button to the receiverStep 1: Press and hold down the volume button on the receiver until it makes a Ding sound and the receiver indicator flashes.Step 2: Press the button on the transmitter,it will makes a Ding-Ding sound and the receiver indicator flashes.Step 3: Press the button on the transmitter again to confirm whether the receiver can sound,if yes,the pairing is completed.

About this item 【Wireless Pager System】- 2 portable pagers, 3 waterproof call buttons. Make caregiver's work easier and take better care of family and patients. Emergency button ensures that the elderly, seniors, patients and disabled get help in time, and the portable receiver allows caregivers to hear the call immediately when they are resting, working or doing housework. 【Portable & Rechargeable】-The receiver is rechargeable, it has a standby time of 14 days, and it takes about an hour to recharge it, so you can take it with you and don't have to worry about plugging it in. You can stick the wireless call button inside the house and on the surface of any other things so that your family/patients can call for help anytime and anywhere. 【4 Ringtones & 5 Volume】- Our nurse alert system has 4 simple ringtones, eliminating the hassle of choosing. With 5 levels of adjustable volume from 0-110 dB, you don't have to worry about not hearing the sound. 【Wide Reception Range】-Call buttons & wireless caregiver pager have wide signal reception range of up to 500Ft/150m, wireless pager can be used in both 2 or 3-story house. 【Expand Pairing】Each caregiver pager receiver can be paired with multiple call buttons. It can also be paired with other SanJie brand receivers or panic buttons to expand your using range. 【Satisfactory After-Sales Service】-If the product has quality problems, please feel free to contact us. So as to give you the best shopping and using experience. Caregiver Pager Wireless Call Button   Give you a better experience-Affordable call solution at home for a safe, secure, comfortable, and independent life, give the caregiver more freedom! Reliable Transmission Distance Multiple Combination Sets Available   Wireless Pager for Elderly Alert Call Button Waterproof Senior Alert Button to Call Family The nurse call button is waterproof so the elderly and child can call for help when taking a bath. Function：Elderly Care, Assisted Living, Alarm Button, Push for Help Wireless Caregiver Pager Call Button Package includes：Portable Receiver, Call Button, Double-sided Tape, Magnet, Screwdriver, Charging Cable, Manual Ringtones of the Portable Receiver: 1. Ding-dong sound 2.Hello, welcom 3.Siren sound 4.Rapid tinkle   Q&A Q:Is the pager rechargeable? A:The receiver is rechargeable with a standby time of 14 days, but of course you will need to recharge it in time depending on how often you use it, and it takes about 1 hour to recharge. Q:Are these panic buttons waterproof? A:The buttons are waterproof, you can safely install them in the bathroom, water splashing on the buttons will not affect their use, but you should not submerge the buttons in water, it will affect the life of the buttons. Q:Is it suitable for elderly care? A:If you have an elderly at home, this one is a MUST !!! Gave everyone piece of mind & help was easily accessed when needed. Technical Details Item Weight ‎4.6 ounces 6.1 ounces 9.2 ounces 10.2 ounces Package Dimensions ‎3.62 x 3.11 x 2.8 inches 4.49 x 3.07 x 2.87 inches 4.84 x 3.31 x 2.91 inches ‎4.69 x 3.35 x 2.99 inches Country of Origin ‎China Power Source ‎12V batteries required. (included) Sound Level ‎110 dB Item Package Quantity 1 Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline

PORTABLE CAREGIVER PAGER : The stylish caregiver pager receiver is equipped with battery, so you can carry it with you and put it in your pocket. Two waterproof call buttons, which can be acceptable for Meal/Soup Splash, including fixed brackets and double labels, can be installed in laundry, bathroom and other places HUMANIZED FUNCTION DESIGN : The caregiver pager receiver has vibration mode and LED light settings. People with hearing impairment can also be caregivers to realize mutual care between the elderly and the elderly, and it is also the best choice for giving gifts to the elderly PENETRATION & ANTI-INTERFERENCE : High frequency technology, strong penetration and anti-interference ability. The receiver of caregiver pager has 55 Ringtone and 500+ Feet operating range.The emergency alert system for seniors is with 5 Level Adjustable Volume From 0db to 110db. QUICK HELP : Not need to shout, attach a rope, wear it with you, just press the call button, the receiver of caregiver pager can immediately receive the call signal, suitable for homes, hospitals, nursing homes and other places HIGH-QUALITY AFTER-SALES SERVICE: CallToU is committed to caring about the happiness and health of the elderly, and considerate after-sales service. If there is any quality problem with the product, please contact our customer service team directly User Manual Product information Package Dimensions 3.78 x 3.54 x 2.99 inches Item Weight 11.7 ounces Department Unisex Adult Manufacturer CallToU Date First Available July 25, 2022

Product Description CONVENIENT AND PORTABLE: Wireless watch caregiver pager /call button portable design, can be worn on the hand or hung around the neck, fixed at the bedside/restroom. The wireless buzzer for elderly is perfect for taking care of aging parents, especially those with Alzheimer's/dementia/hospice patients/mobility issues. 300-METER/1000-FOOT ULTRA-LONG WIRELESS RANGE: The nurse call bell system provides caregivers with greater flexibility. Whether you are on the second floor, in the parking lot, basement, or in outdoor activities, you will be able to receive call messages promptly. Elderly people can also move around freely without worrying about losing signal and enjoy better care and safety. 4 RINGTONE PROMPT MODE：(Shake & Beep / Beep / Shake / Mute). The calltou wireless caregiver pager's vibration concept will only call the caregiver without disturbing others, making it easy for you and your family to sleep at night. It also features a time/calendar/timed alarm. 55 PRESET WORDS-PERSONALIZED PRESET (Keyvalue Define): "When you want a glass of juice/withdrawal of needle/nurse", the wireless nurse watches can set personalized requirements for each button, press the button and call with one key. UP TO 384 BUTTONS CAN BE ADDED： Each button of the call light system can be numbered for personal, home, hospital, nursing home, and community care calls, restaurant waiter calls, and office alarms, giving you more flexibility and versatility. IP67 WATERPROOF TRANSMITTER/IP55 CALL BUTTON.: The call bell for elderly at home can be worn in the shower, and the panic button is waterproof but cannot be worn in the shower, allowing hand washing/soup spills.             Can you connect more than 5 buttons to a one-pager? Yes, you can add extra buttons and pair them to your pager, the unit can work together well.   Can the call button be connected to more than one pager? Yes.   Does the watch know which call button has sent the alert? For example, if there are 5 patients in different rooms. Yes. You can set different numbers for each button.   Will this work if someone is outdoors and someone is indoors Yes, if it is used in a three-story room in a family, it is completely OK. If your distance exceeds the use range, you need to add more receivers it can work well if they are in the operating range.   Order Nowand experience unparalleled care and convenience with our innovative Wireless Watch Caregiver Pager. Ensure the safety and well-being of your elderly loved ones today! Technical Details Manufacturer ‎CallToU Part Number ‎SW11-Q-01AB Item Weight ‎‎8.4 ounces /9.6 ounces Package Dimensions ‎‎5.87 x 3.39 x 2.72 inches/9.02 x 3.39 x 2.72 inches Batteries ‎AAA batteries required. (included) Color ‎Black Material ‎Plastic Shape ‎L-Shape Included Components ‎1 Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline

Product Description EASY & SIMPLE TO USE: With a simple touch of the SOS watch button to seek help and assistance from caregiver PORTABLE CAREGIVER PAGER: The receiver's back clip is removable, so you can carry it with you or place it where is fit. The receiver has 20 kinds of ringtone, 5 kinds of volume (0-100dB) and 4 working modes for you to choose FLEXIBLE & VERSATILE: You can adjust the watch button strap as tight as you like or remove the watch button strap. Due to the portable nature of the receiver and transmitter, it allows caregiver the freedom to attend other tasks while receiving alert from seniors, elderly and loved ones RECEIVING DISTANCE: The receiving distance between the wrist call button and the receiver in an open area is 70 feet EFFECTIVE CALL BELL SYSTEM: The nurse alert system can be used in many places, such as homes, apartments, offices, hotels, warehouses, hospitals, nursing homes, ect       Product information Color Black Brand CallToU Number of Batteries 3 12V batteries required. (included) Control Method Touch Noise Level 100 dB