... : 300lm 4, Color Temperature: 6500K, optional LED lamp cupWarranty: 3 yearsSize: Ø50mm Features1, Adopting high lightness LED light source, popular for enlightening in ... optional.3, Many colors optional, such as warm white(3000K), natural white(4500K), cool white(6500K).4, With CE,ROHS approvals.5, Good ... ~235V optional. 4) Do not touch the surface of the lamp when it is working.