Stay alerted to unexpected activity in your home with TUYA smart siren alarm sensor. The low-profile design blends seamlessly with your wall or ceiling, and the audible notification lets you know when activity is detected. This smart alarm siren installs easily with hardware or adhesive strips, providing flexible placement options. The built-in battery provides continuous operation for up to two years or use the included USB power cord-Helps keep your home safe even if the electricity fails. No hub required, Wi-Fi built-in. compatible with all 2.4 GHz Wi-Fi networks. Not compatible with 5GHz networks
*Use the siren as a deterrent for suspicious activities
*Request for help
*To ward off unwanted visitors
*Providing you peace of mind anywhere and anytime.