Features: ★ Emitter Type:CREE XM-L 2x T6 LED★ LED Life:50，000 hours★ Discharge Time:180 minutes(100% brightness)★ Output bright can come to max 5000 lumens [lm]★ Modes operated by PUSH button★ Internal wiring applies the high efficient booster circuit，working voltage is wide and can utilize the batteries in the largest extent.★ Waterproofing design★ Aluminum alloy casing★ Aluminum alloy reflector★ Color:Black★ 4 switch modes:Weak Brightness，Normal Brightness，Strong Brightness，blinking(long press)★ Dimension:42mm*60mm(L*H) Package Included: 1 x CREE LED Bike Light 2 x Rubber ring