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Garage door security contacts.
The biggest difference is that an overhead door contact is built into a rugged housing to handle the vibration.
A garage door alarm contact is a magnetic switch used to connect a roll up or overhead garage door to a home security system.
Only 5 left in stock order soon.
There is another similar garage door contact switch that is cheaper but the switch housing part is made of plastic.
4 overhead door magnetic contact series 1000 50sg 1000 73sg.
2 pack overhead door floor garage shutter contact sensor security alarm switch 3 9 out of 5 stars 6.
8 overhead door contact 1000 37sz 1000 50sz.
It consists of a switch and a magnet just like any standard door or window contact used for an alarm system.
Get it as soon as sat sep 19.
Window door alarm wireless door sensor chime 1000ft range 36 chimes 1 receiver and 1 magnetic door entry alert security contact sensor burglar alert ideal for home garage apartment and office 4 1 out of 5 stars 825.
Seco larm sm 226lq overhead door magnetic contact 2 3 4 70mm gap closed loop adjustable to fit most door channel widths magnet enclosed in gray abs case on l bracket 12 24 vdc 4 6 out of 5 stars 27.
A garage door contact is a specialized magnetic switch installed on an overhead garage door to connect it to a hardwired home security system magnetic switches are the basic workhorses used to protect windows and standard doors.
Clamp on ohd magnetic contact series.
Connecting a garage door contact to a home alarm system.