... % /3 year)VoltageDC12V (DC9V---15V safe use for solar system)Protection grade: IP65 Working Temperature: 30---+70Work life>50000HrsBrightness controlLED Dimming ... ,Parking site,Garden light, Bus Station light,Sport Ares light, Wall lamp, Garding light, Building light,Tree light, Tunnel light etc ... optics design, Great luminanting angle7. Own 6 Chinese Pantents LED Wall Lamp