Home/Pregnant woman/Elderly/Patient Vibration Pager (life alert necklace) 1 Emergency Transmitter + 1 Feet Plugin Receiver. 60 Music & 5 Levels of Volume Receiver --- Wireless Caregiver Pager Call has 60 Ring Tones for Your Choice. Operating Range is about 262 Feet / 80 Meter in open Area. 5 Level Adjustable Volume From 0db to 110db. Easy Use ( Plug and Play) Plug the Receiver into an Electrical Outlet. SOS Life Alert Necklace Button IP55 Waterproof & Neck Strap Included---Transmitter/Push Call Button is Easy Carry, It can Be Put in Pocket,Or Hang on neck as Pendant.Transmitter/Push Call Button is Waterproof. Acceptable for Meal/Soup Splash. And Allow to be Installed in the Washing Room. Not Need To Yell To Catch Attention & LED Flash ---Wireless caregiver pager the idea is both for the Caregiver and Patient/ Elderly/ Pregnant woman/ Children while calling for help at home. Like the kitchen/washing room where is enclosed and noisy can be installed separately. Make sure the Patient/Elderly's call can be heard. Ideal Gift & 3 Year Free Replacement --- wireless caregiver pager is a brand after years of independent R&D and approved by FCC, CE, RoHS and other certificates, Very suitable for the elderlyIf you have any questions, please feel free to contact us Caregiver Pagers Wireless Call Button for Elderly Patient Personal in Home Life Alert System for Seniors Range 260ft/80Menter,60 Ringtones (1SOS Button+1 Receiver)