High power rechargeable headlight (800 lm) Wide beam with OptiCube lens technology Excellent side visibility Robust aluminum body Built-in fast recharging circuit, full charge in approx 3 hours 3-level battery indicator USB rechargeable Mode memory function Five light modes (High / Middle / Low / Daytime HyperConstant / Flashing) FlexTight bracket Compact and lightweight body with 300 lm output 3 LEDs 300 degree visibility Long rear beam projection Highly visible during daytime Snap System OptiCube lens technology 3-level battery indicator 4 modes (Constant / Flashing / Group Ride / Daytime Hyperflash) Li-ion rechargeable battery Mode memory function Low battery indicator Battery Auto Save Mode Includes new seat post bracket SP-15 which fits aero seatpost Attributes Battery Type USB rechargeable lithium Bracket FlexTight / Snap System Light Type LED Lumen Range 601 - 800 Output 800 / 300 lumens Position Set Primary Color Black Rechargeable Yes Run Time Up to 30h