These handy self adhesive battery powered contact alarms can be used for a wide range of applications. Supplied in two parts, and installed side by side, when one part is moved away from other, the alarm sounds. Ideal for detecting a door or window being opened. Can be easily switched to chime, to give a quick notification, or to alarm to give a continuous sound. Can also be turned off.
This very simple and handy alarm can be used to alert of unauthorised openings in places where a full PIR alarm is not suitable or too expensive. The 125db alarm is suprisingly loud for such a small unit.
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