Wireless Sound & Light Siren Alarm Sensor - Smart Alarm, High-Decibel (greater than 85dB), Mobile APP Remote Alert, Anti-Dismantling

Compact wireless sound-and-light siren that delivers high-decibel alerts (greater than 85dB). Sends Mobile APP remote alarm reminders so you receive instant notifications. Designed with an anti-dismantling structure for use in dedicated security field. Includes low voltage monitoring prompt function to warn of power issues. Uses wireless transmission signal for simple, cable-free installation and setup.