... when people near!!sensitive motion sensor , save energy !Green power, Green lightingMetal body, never fade100% waterproof and heatproof Specification: ... mode: Dark/DIM/bright, DIM: weak lighting for saving power; Bright: motion activate for lightingAuto identify day or nightProtect function ... : MURATA, PANASONIC, ST, TOSHIBA, ETCg)PIR information: distance: 5m, angle: 120., power consumption: 50uA