Magnetic reed switches are available closed loop open loop spdt dpdt options with standard wide and extra wide gaps.
Sodial white door window contacts magnetic reed switch sensor.
Yootop 5 sets recessed wired magnet reed switch window door magnetic contact sensor alarm white 4 7 out of 5 stars 43.
The alarm will activate when the magnet is pulled away by the opening door or window.
Get it as soon as wed sep 23.
Magnetic door contacts are normally wired to the entry.
Concealed concrete switch set.
For pricing and availability.
Free shipping on your first order shipped by amazon.
Weij 10 pair rc 33 nc recessed wired security window door contact sensor alarm.
Find many great new used options and get the best deals for 2x white door window contacts magnetic reed switch sensor v4f2 at the best online prices at ebay.
Recessed wired security window door contact sensor alarm magnetic reed switch white rc 33 10pcs 4 1 out of 5 stars 42.
Hxchen rc 35 nc no wired magnetic door window contact sensor switch contact sensor alarm magnetic reed switch white 5 sets 5 0 out of 5 stars 5.
Mbangde lot of 6 wired magnetic door window contact reed switch personal gap alarm cabinet strip light switch nc diy kit 4 4 out of 5 stars 122.
Mount the magnet to the door or window and mount the switch to the frame.
1 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch.
Gufasotre 5pcs recessed door contacts nc security alarm window sensors with magnetic reed switch.
Ring alarm contact sensor 6pk door and window sensor 4 pack item 2366870.
These door contact position switches dcs work with all access control and burglar alarm systems 4 3 out of 5 stars 73.
Uhppote normal closed wired screw terminal surface mount magnetic contact for window door security pack of 5.
Simplisafe door and window sensor.
Spdt switches connect to an alarm system and to another device such as a motion detector.
1 4 super mini switch set.
Magnetic switch standard packaging 4 4 out of 5 stars 817.
Door contact position switches dcs work with all access control and burglar alarm systems white 4 3 out of 5 stars 17.
Wire contacts to an alarm system to alert when doors or windows are opened.
Overhead door magnetic switch sets.