... , low heat, high precision constant current, DC working, no strobe flashing, safety and reliability;4,EMI of the global universal ... power, good power factor, high brightness efficiency;5, LED light source of ultra high power, high brightness; lowest attenuation of ... (Material) 100% aluminum alloy (Configuration Size)Dia190*123(mm)(Light Color)Warm White /cool white(Color temperature)2700-3500K/ 5500 ...