Cree XM-L T6 LED Bicycle Bike Light Waterproof Design 3 Work Model 1200 lumen led bike light FeaturesCREE XM-L T6 LED Light unit  Can be used as Headlamp or Bicycie Light Model of LED: CREE XM-L T6 Output bright can come to max 1200 lumens [lm] 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 3 switch Mode: Strong Brightness / Normal Brightness / Flashing 100v-240v Battery Charger ( LED indication for Power On / Charging / Full charge ) Model of Battery required: 1 x 8.4 6400mAh Battery Pack Colour : Black Dimension : 43mm Weight : 120g