1) Anti-UV quartz glasses, US imported silica gel with Korea pills, shockproof, high temperature resistance, prevent tube rupture 2) Output power: 35W/55W +/- 2W Xenon HID lamp 3) Working temperature: -40 to +105 4) Color temperature: 3000K, 4300K, 6000K, 8000K, 10000K, 12000K 5) High brightness: three times brighter than traditional halogen tungsten lamp 6) Long life-span: over 3,000 hours 40*30*25