magnetic door sensor work with alarm system, relay output for alarm control panel. Easy to use.

magnetic door sensor Features:
Anti-fire ABS shield
Connecting mode: N.C./ N.O.
Rated current  :  100(mA) 
Rated  voltage :  (VDC)100 
Operating distance: more than 14mm, less than 25mm
Rated power:    20W

Dimension:Φ6.3*14mm (switch)
                     Φ6.5*20mm (magnet)

Package:   
Inner packing: 20sets/PE           
Outer packing: 2000 sets/carton
Gross Weight: 14.1KG