smanos BM4200 motion detector

Multi-Beam IR Sensors, 4 Beams, IP66 Ideal for placements on fences, balconies or by garage doors, smanos BM4200 sensors work wonders in outdoor environments and detect acts of intrusion via invisible infrared beams. Through advanced technology and algorithms, only objects over a certain size would trigger an alarm with an instantaneous alert to your smartphone, minimizing false alarms. Completely wireless and battery-powered, smanos BM4200 stands on guard for you in disguise, and the unique power-saving mode means up to 3 years of care-free, worry-free battery life.