This sensor is designed for protecting against forced entry by hammer, saw, crowbar etc., through walls, ceilings, windows, safes, cabinets, etc., It will initiate an alarm when a vibration from a non-desirable force strikes the protected surface. A built-in tamper switch is independent from the circuit of the vibration detector for your convenience.

Vibration contacts are adjustable by turning an adjustment screw to respond to any surface - glass, wood, steel, plasterboard, or brick. Pure silver contact points ensure years of fail-free operation. Dust tight ABS case is small and inconspicuous and can be easily installed with two-sided adhesive tape.