High power Led lamp certification:ROHS,CUL,UL,GS ... Degrees.Brightness attenuation: 3%-5%1KHLight Source1W,3W,5W, High Power LEDColor temperature:2600-8000KAluminium Housing Color:Blue, Black, ... .Company features:Rise-lite co,.limited company ,as a high-tech enterprise ,is professionally engaged in researching ,developing and manufacturing ... serve all of our customers in the future. High power Led light