... L58mm. 4.Led:Edison,Luxeon,Cree High power LED spot light with CE&ROHS approval1. Output power: 4 Watt 2 ... in the frist 1000hours 5. Lumen: 270lm(6000k) 6. Light color: Warm white<2500K-3500K>; Neutral white: <3500K-5, ... Certificate CE, RoHS,Warranty 2 years Optical Data :Light Color Warm White, Neutral White, Cool White,R,G ... ,B,Y Color Temperature 2,500-3,500K / 3,600-5, ...