Aoje-Link RC-38A NC Wired Magnetic Door Switch Window Sensor Alarm for Home Security Access Control and Burglar Alarm Systems White 4pcs

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About Aoje-Link RC-38A NC Wired Magnetic Door Switch

Magnetic Reed Switch Alarm Surface Mount Wired Contact Sensor Connect to the alarm. Sharp alarm will be heard when someone opens window or door in arming status,The reed switch is an electrical switch operated by an applied magnetic field. Keep your house safe with this door security alarm.   1.By screws or double-sided tapes to install, Anti-fire ABS. 2.The reed switch is an electrical switch operated by an applied magnetic field. 3.Switch Type: NC, NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). 4.Work as an anti-theft alarm, ideal for wood door and window.   Specification: Model: RC-38A Material: ABS Color: White Max Power: 10W Max Voltage: 100V Max Current: 0.5A Min Temperature: -22℉ Max Temperature: 140℉ Actuation Distance: 15-25mm Contact Type: NC Size(Approx): 27 x 14 x 8mm(L*W*H)   Package Content: 4pair x Magnetic Door Switch.   Note: 1: Please install on the back of the door, The door and window magnet should be installed at the closed position of the door/window/drawer.   2: The magnet part is installed on the movable door and window. The switch part is installed on the fixed door and window frame. The switch part and the magnet part should be aligned as much as possible.   3: The door magnet should be away from the strong magnetic field interference source such as a transformer. Otherwise, the working characteristics of the door magnet will be changed and possible wrong actions.   4: Door magnetic can only provide switching signal, can not be directly loaded, need to be connected with the power supply or lamps and lanterns into a set of system.