Spdt switches connect to an alarm system and to another device such as a motion detector.
Magnetic contact door alarms.
4 0 out of 5 stars 3 ratings based on 3 reviews current price 22 08 22.
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.
Gufastore 10pcs surface mount alarm 10w 100v 0 5a in max magnetic contact ideal for door window security.
2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light black 4 1 out of 5 stars 20 9 99 9.
Weij 10 pair rc 33 nc recessed wired security window door contact sensor alarm magnetic reed switch white.
99 list list price 13 98 13.
Product title magnetic sensor home door window entry warning alarm.
Wire contacts to an alarm system to alert when doors or windows are opened.
Magnetic contacts are low current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened.
For pricing and availability.
Product title security equipment corp hs dwa2 premium white door or window alarm 2 pack average rating.
Ring alarm window and door contact sensor 6 pack 2nd gen item 2366870.
Mount the magnet to the door or window and mount the switch to the frame.
3 out of 5 stars based on 2 reviews 2 ratings current price 6 99 6.
Free shipping on your first order shipped by amazon.
2sets magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch for gps alarm or other device dc 5v 12v 24v light 4 3 out of 5 stars 172.
Gufastore 10pcs surface mount alarm 10w 100v 0 5a in max magnetic contact ideal for door window security with lead wire and 3m adhesive paper 4 3 out of 5 stars 95 13 99 13.
They help keep buildings and controlled access areas secure.
For pricing and availability.
The alarm will activate when the magnet is pulled away by the opening door or window.
Ring alarm window and door contact sensor 2 pack 2nd gen item 2221347.