Description:1.Screw Mounted for easily install.2.The reed switch is an electrical switch operated by an applied magnetic field.3.Switch Type: 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, perfect for wood door and window. Specification:Product Name: Magnetic Door SwitchModel: MC-51Contact Type: NC (Normally Closed)Actuation Distance: 16mmMax. Current: 0.3AMax. Power: 3WWorking Voltage: DC200VEach Size(Approx): 50 x 13.8 x 12mm / 1.97 x 0.54 x 0.
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