High power Led lamp certification:ROHS,CUL,UL,GS Luminous Flux Output: 160-680 lumens Up to 50,000hours longlife product nameHigh power Led ... ±10 Degrees.Brightness attenuation: 3%-5%1KHLight Source1W,3W,5W, High Power LEDColor temperature:2600-8000KAluminium Housing Color:Blue, Black, Golden, Silver ... Realistic"to serve all of our customers in the future. High power Led light