This alarm is perfect for glass windows, doors, and RV's. The alarm has a piercing 120-decibel siren that is activated when vibration, shock, or glass breakage is detected. The alarm can be armed and disarmed by using a special key. Can be attached to any flat surface for protection. Warning signs as a theft deterrent. Selection switch for 30 - 40 sec. siren cycle. No wiring or installation required. Low battery indicator. Measures 1½”W x 2¾”T x 1”D. Battery included.
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