Infrared/PIR Motion Sensor Light Switch 1,Automatically switch off; 2,Energy saving; 3,RoHS materials; 4,MOQ ... Operates on a 2 wire system, and fits in a standard wall box; Ambient-light override option (no switching lights ON ... -condensing 20-90% Working distance3-5mInstallation hole spacing60mmMatching wall box75*75*50mmDimension86*86*23mmWeight72g Intelligent PIR Motion Sensor Light Switch