Hxchen mc 33c normally closed recessed window door contact sensor alarm magnetic reed switch 5 sets 4 1 out of 5 stars 11.
Magnetic door contact alarm.
The alarm will activate when the magnet is pulled away by the opening door or window.
Fyydes wireless door burglar alarm security system vibration magnet sensor remote controller magnetic sensor alarm door alarm security.
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Spdt switches connect to an alarm system and to another device such as a motion detector.
Yootop 5 sets recessed wired magnet reed switch window door magnetic contact sensor alarm white.
5 0 out of 5 stars 7.
You can attach alarm contact sensors to any door or window in your house or apartment and when armed you ll get instant alerts on your phone and tablet whenever they open.
These door contact position switches dcs work with all access control and burglar alarm systems 4 2 out of 5 stars 72.
Wire contacts to an alarm system to alert when doors or windows are opened.
The ring alarm contact sensor expands your ring the ring alarm contact sensor expands your ring alarm and adds an extra layer of security to your home.
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Wifi door and window alarm smart door window sensor alert wireless security alarm magnetic door open chime contact sensor compatible with alexa google assistant for home or business alert.
Mount the magnet to the door or window and mount the switch to the frame.
4 0 out of 5 stars 3 ratings based on 3 reviews current price 18 49 18.
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Fosmon wireless window and door open entry alert magnetic contact sensor for home security kids safety pool entrance.