Techko SO62 Block N Alarm Sliding Glass Door Vibration Sensor Alarm

From the Manufacturer Techko's S062 Portable Vibration Sensor Alarm can provide valuable protection for your home or property by detecting the vibration to a sliding glass door or window. The S062 is installed by placing the alarm over a metal window frame or sliding glass door. The S062 allows a window or door to be partially open for ventilation but still be protected. After 50 seconds, the alarm will reset itself. To arm or disarm the system, there is a convenient slide switch on the side of the unit.