Light source: 6W Hi-power LED (0.2W x 30pcs), no visible LED point (even light effect) Light Temperature: Cool white 5000-6500K or Warm white 3000-4000K optional Light mode: ON / DIM / OFF Power source: 3 x AA (battery not included) Installation: Tool Free, by velcro (1pc included) Lumen: 25 lm± 3 Lux: 50 lux ± 5 Battery life: 25 hrs (± 3 hrs)