Features:   1. Zi-Bee Tuya SOS button linkage with home other smart devices such as lights, curtains, siren, then notifications pushed. Low-consumption design, which can make it work long time.  2. Simply press the call button to alert the caregiver via the receiver or Tuya Zi-bee Hub. Widely used in home, hotel, hospital, retirement home and other needed places.  3. Our nurse caregiver SOS emergency call button alert system for patient, disabled, elderly and children is simple to use and provides peace of mind.   4. Ideal for use as an alert aid for elderly, that woman who having baby, children or disabled who can't stand up from toilet, bathroom fainting, floor mat fall alarm or heart attack, emergency call for help.   5. Call button can be wall mounted beside bedside, sofa, closestool or placed near caregiver.    Specifications:  Item Type: Zi-Bee Tuya SOS Emergency Button;  Power Supply: 3V CR2032 (included);  Work Current: 9-12MA;  Battery Working Time: 8-12 months;  Wireless Connection: Zi-Bee;  APP: SmartLife/Tuya;  Support systems: Android and IOS;  Installation Way: Wall Mounted(with sticker);  Installation Height: 0.8m-1.2m (Suggested);  Material: ABS;  Package Size: Approach. 10 * 9 * 6cm / 3.9 * 3.5 * 2.4in;  Package Weight: Approach. 65g / 2.3oz;    Package List:  1 * SOS Emergency Button