uxcell Wired Door Contact Window Sensor NO NC Surface Mount Magnetic Reed Switch Black 3 Pcs

Price: $17.49
(as of Mar 06, 2023 10:02:07 UTC – Details)

[Installation Dimension] – Installation Hole Size: 8x4mm; Installation Hole Distance: 15mm
[Durable Material] – The magnetic switch alarm is with durable PVC housing for better rust resistance
[Normally Open] – NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off ). NO means Normally Open: when the magnet separates, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ).
[Applications] – The Wired Door Sensor is designed for use with window and door alarm systems, such as the garage, industrial warehouse, and shops, etc.