The Cateye AMPP 800/Viz 300 is a feature rich, ultimate performance bike light set.AMPP 800 FEATURES:High power rechargeable headlight (800 lm)Powerful wide beam with OptiCube™ lens technologyExcellent side visibilityLarge capacity lithium-ion rechargeable batteryBuilt-in fast recharging circuit *Full charge in approx 3 hours (minimum)3-level battery indicator (Blue: Above 50% Yellow: 30-50% Red: Less than 30%)USB rechargeable (Micro-USB cable included)Mode memory functionFive light modes (High / Middle / Low / Daytime HyperConstant / Flashing)Turns on High mode with double-click of power button.FlexTight™ bracketHelmet mount and center fork bracket (optional)Weight: Only 136gDesigned in Japan ... More info