Wireless Remote Alarm: The Tuya wifi emergency call button needs to be paired with the smartphone in the same 2.4Ghz WIFI environment. After pairing successfully, you will receive notification from the pager whenever and wherever you are. Portable and Flexible: The wireless caregiver pager can be put in the pocket, hung around the neck, taped to the wall, ect. It's easy to set up according to the manual. The portable panic button alarm makes the calling more convenient for your loved ones and brings them more freedom. Multiple Application Scenarios: In addition to being carried around, the alert button can be applied to bathroom, kitchen, hotel, hosbital, villa,etc. The SOS call button is suitable for kids, seniors, patients, disabled, pregnant women, etc. Share Function: When others want to receive notifications from the wirless calling system, they can download the Tuya App on their smartphones and share the notification. Color: B: Black Material: plastic Package Contents: 1 * Emergency Panic button