MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System Detector
Appearance of small, easy to install.
Long period of use, 100% no false positives, not false negatives.
Ming-mounted for installation windows, wooden doors, stainless steel doors, aluminum doors and so many uses.
Switch output: NC (normally closed with a magnet and a signal line portion is closed together, separate is a signal off).
Material : plastic
Size : 30 x15mm
Open distance : 15mm
Package includes :
1 x Wired Door Window Sensor Magnetic Switch