Door/Window Magnetic Switch Sensor MC-38

Features:
– 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).

Package includes:
1 x Wired Door/Window Magnetic Switch Sensor