Technical specification:

operating voltage: DC 9-16V
consumption current: less than 18mA(DC12V)
operating temp.: -10 to +50 degrees
installation mode: wall or corner mounted
installation height: about 2.2m
detecting distance: 12m
detecting angle: 110 degrees
alarm output: N.O./ N.C. relay optional
anti-dismantle switch: N.C.
dimension: 89*52.5*38.5mm