DescriptionEco-friendly, no harmful substance such as mercury & lead come into the environment and easy to recycle. Using LED lighting source, temperature of the cover surface lower then 20C.No UV, infrared and electromagnetic interference and breakage. No noise, very suitable for the using of office, library and the place using.Feature- Color: As shown. - Light Color: Warm White Light. - Material: aluminum. - Size: 22 x 22 x 2 cm. - Type: LED Ceiling Light.- Input Voltage: AC 85V-265V. - Beam angle:150.- Work Temperature: -20to 50.- Power: 18W.- Life: 50000H.- Thin Border, large emitting area.- Hanging board design, easy installation.- Balancing voltage, effectively extending the service life.- Higher brightness,color is more true, broader emitting.- You can control the light effect you want.