4Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device
Net Weight: 80g; Material: ABS; Transmitting Distance: 3-15mm
Package Content: 4 Sets x Magnetic Door Swith; Size: 55 x 12 x 11mm / 2.2" x 0.47" x 0.43"(L*W*H)
Description
Magnetic Door Swith Switch Type: NO/NC, 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.