5pcs Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch Lamp Guards Self-adhesive number stickers are efficient

Self-adhesive number stickers are efficient to target and identify anything you need to mark

Package Content : 10pcs x Barb Hose Fitting

Model: 6 Wells 6 Pins

2pcs x Clamps

Note: Make sure the device has an infrared interface and interface size

5pcs Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch Lamp Guards Self-adhesive number stickers are efficientNC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully! 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.