Wire Doors Windows Magnetic Switch Module
- metals shield anti-fire ABS
- connecting mode: N.C. normally closed
- rated current : 100m
- operating distance: more than 15mm, less than 25mm
- rated power: 3W
- No external power supply, connect to wired or wireless alarm control panel GND and N.C ports directly!
- With sticker pads for sticking it to doors and windows