Lightsource: SMD LED Chip Color Temperature: warm white/cool white/Brightness dimmable 1. Cool White: No remote. 2. Warm White: No remote. 3. Brightness Dimmale: It have Cool white,natural white, Warm White,It can adjust the brightness and color,adjustment is brighter-darker and the ability to switch from cold light to Warm， have remote Light Source Life Span: 50000 hrs Warranty: 2 Years Voltage: 90-260V Size: Small 46cm Large 60cm Color: White Black Golden Any Problems, Please contact customer services,We will reply you in the first time.