... lamp, it can identify day and night. It adopts infrared detector, IC and SMD technology. PRODUCT INFORMATION:This product is an energy ... and night. It adopts infrareddetector, IC and SMD technology, when someone enter its detecting range, the infrared detector turnon the lamp, after ... temperature: -10~+40°CWorking humidity: ≤93%RHWeight: about 0.477kg Infrared Motion Sensor ceiling light