The working principle of this Tuya Wi-Fi emergency call button: connect the emergency button to the WiFi and add it to the Tuya smartphone application. When the elderly/patient/people who are inconvenient to move need help, they only need to press the call button. No matter where you are, your phone receive alarm information, you can help your family as soon as possible Small portable call buttons: The packaging contains double -sided tapes and tie cables; you can hang it on the neck with a , or you can use a double -sided tape . Anyone can operate the small -sized call button Multi -person sharing: Share with more family members through the sharing function of Tuya APP. After pressing the button, the person you share can also receive the alarm information so that multiple family members can participate Tuya Intelligent Application: Scan the QR code or search for "Tuya Smart" download application, you can add or delete the button in the application; delete the alarm in the application; implement multi -person sharing function in the application in the application Multiple applicable places: family, nursing hospitals, hospitals, clinics, etc.;, Manufacturer: Mcnhbdgg