1pcs MC-38 Door and Window Magnetic Sensor Switch
? Switch Type: NC(normal close type), circuit is connected when magnet is near the switch.
? The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc.
? With double-sides tape design that for easily install.
? Material : plastic
? Size : 30 x15mm
? Line: 28cm
? Voltage : 12V DC
? Current : 1A
? Open distance : 15mm