Description:1.Self-Adhesive Mount, Screw Surface Mount contact, ABS Housing. Long wire lead that can side mounted. 2.Switch Type: NO means Normally Open: when the magnet separate, the circuit is conductive( light on );When the magnet together, the circuit is not conductive ( light off ).When make order,pls check carefully!3.Work as an anti-theft alarm, perfect for wood door and window. Specification:Product Name: Magnetic Door SwitchModel: MC-38Contact Type: NO (Normally Open)Actuation Distance: 10mmMax. Current: 0.5AMax. Power: 10WWorking Voltage: DC100VEach Size(Approx): 27.5 x 14 x 8.5mm / 1.08 x 0.55 x 0.33-inch (L*W*H)Mounting Hole Diameter: 4mm/0.16-inchCable Length(Each): 26cm /10.
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