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Best Seller | Wired Glass Break Detector Round Door Window Breakin Sensor Tamper Alarm Ceiling/Wall Mount Designed with alarm indication of ultra-high sensitivity and ultra-low sensitivity. Ceiling and wall-mounted installation supports vertical or horizontal installation on the frame or glass. Two-stage potentiometer adjustment compression piezoelectric... more | FREE shipping go to store |
Reliable monitoring: This magnetic door switch accurately detects the opening and closing of doors and windows providing you with real-time information about your home or business security Durable craftsmanship: With its fine workmanship and... more | FREE shipping go to store |
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The door position switches operate with a built an internal magnetic reed switch that closes... more | FREE shipping go to store |
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