WSDCAM Glass Break Sensor Alarm 125dB Ultra-Slim Wireless Glass Break Detector Window Alarm Vibration Sensor for Home Window and Door Security – 4 Pack

Glass break alarm work by detecting the physical vibrations, with 125 dB loud alarm sound and red indicator blinks can help to deter/scare away the potential break-in and burglars effectively
Adjustable sensitivity from gently touch to push or beat, for preventing false alarms. You can easily set it according to your need
Wireless vibration sensor with ultra-slim, lightweight design and pretty quality performance. It’s perfect for your home, apartment, office, store, garage, dorm room, or even RV. These anti theft devices are great additions to home security and give you extra piece of mind
Battery operated alarm, package including 3pcs LR44 battery for each sensor, long battery life with 1-year battery life. You don’t need to change battery often. Low battery warning, remind that if you need to replace the battery
Super easy to install and use, simple peel and stick installation (double-sided tapes included). No wiring or screws/hub required. Mount the vibration detector on windows and doors or glass