Add these wireless magnetic contact sensors to an iSmartAlarm Security System to monitor the opening/closing of doors, windows, sliding glass doors, drawers, cleaning supplies, liquor cabinets, refrigerators, pool gates and more.
This unit recognizes the pattern of glass breaking across the full audio band so you know if someone is breaking in. Perfect for homes with a lot of windows. Battery included. Manufacturer's part number MCT-501.
ELK Products ELK-6040 Two-Way Wireless Glass Break Sensor listens for actual patterns of breaking glass across the full audio band and notifies you of any disruptions.