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 assist 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’ll be able to easily set it in step with your need
Wireless vibration sensor with ultra-slim, lightweight design and pretty quality performance. It’s perfect for your house, apartment, administrative center, store, garage, dorm room, or even RV. These anti theft devices are great additions to home security and provide you with extra piece of mind
Battery operated alarm, package including 3pcs LR44 battery for each and every sensor, long battery life with 1-year battery life. You don’t want to change battery regularly. Low battery warning, remind that if you wish to have 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