Aoje-Link RC-36 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch for Home Security Access Control and Burglar Alarm Systems White 4pcs

• Product Content: 4 x RC-36 Recessed Magnetic Door Switch; Color: White, Material: ABS.
• Each Size(Approx): 25mm x 19mm/1" x 0.75" (L*D). Cable Length: 25cm/9.8".
• Contact Type: NO (Normally Open), Actuation Distance: 20-30mm, Max Voltage: 100V, Max Current:0.5A.
• Door contact sensors used with commercial or residential access systems and all security access and burglar alarm system.
• Recessed-mounted magnetic contact ideal for wood door window security, Recessed easy to install, good concealment, fashion and beauty, Anti-fire ABS.

Magnetic Reed Switch Alarm Recessed 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.Recessed easy to install, good concealment, fashion and beauty, Anti-fire ABS. 2.The reed switch is an electrical switch operated by an applied magnetic field. 3.Switch Type: NO means Normally Open: when the magnet separate, the circuit is not conductive( light on ); When the magnet together, the circuit is conductive ( light off ). 4.Work as an anti-theft alarm, ideal for wood door and window.     Specification: Model: RC-36 Material: ABS Color: White Max Power: 10W Max Voltage: 100V Max Current: 0.5A Min Temperature: -22℉ Max Temperature: 140℉ Actuation Distance: 20-30mm Contact Type: NO (Normally Open) Size(Approx): 25 x 19mm(L*D)   Package Content: 4pair x Magnetic Door Switch.   Note: 1: Please Drill installation hole with a diameter of 19 mm, 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.