LED Ceiling Light 1,ISO,CE,RoHS,TUV,GS,UL certificate ParameterValuePower Consumption36W/48W/ ... working life is more than 10 years.•We use high heat conductive aluminium alloy as the body ... extend the working life of the light.•We use no-imaging secondary optical lens of high light transmittance ... there is little illuminance waste.•The driver of power use universal ac voltage input, so the lamp can ...