... 2,EXCELLENT HEAT DISSIPATION 3,HIGHT LUMINOUS EFFICACY 4,WITH CE,ROHS,FCC APPROVAL CE LED Ceiling Light Characteristics1 ... , Machined aluminium alloy housing and aluminium PCB with excellent heat dissipation.2, Easy maintenance due to ... etc.)4, High luminous efficacy with energy saving and lower CO2 emission5, Optimized optical lens with efficient light distribution control6, ...