CatEye: The new AMPP400S offers a balance of safety and convenience with its 400 lumen OptiCube™ lens and five light modes. This versatile bike light can be adjusted to fit any bike with its FlexTight™ bracket, and the double-click-to-high function allows for quick adjustments to changing ride conditions. The AMPP400S also features a power switch that acts as low battery indicator, and a modern USB-C charging port. FEATURES• Rechargeable headlight (400 lm)• Excellent side visibility• Large power button for easy operation• Turns on High mode with double click of power button• Up to 60 hours of run time• 5 light modes – High / Middle / Low Daytime Hyperconstant / Flashing• Light mode memory• Excellent daytime visibility in Daytime HyperConstant mode• Weight : 106 g• Mount size : 22 - 35 mmRUNTIMES• High mode 400 lumens: 2hrs• Middle mode 200 lumens: 4hrs• Low mode 100 lumens: 8hrs• HyperConstant mode 400/100 lumens: 6hrs• Flashing mode 100 lumens: 60hrs• Charging time (From empty) : 4 hrs   TECHNOLOGIESDaytimeCan be used in the daytime.All Weather IPX4Can be used in rainy weather.Side VisibilityProvides visibility from the side to increase safety.USB-Type-CReversible USB Type-C connector eliminates the worry about plug orientation.OptiCubeOur proprietary OptiCube™ lens technology maximizes brightness for greater visibility.FlexTightThe FlexTight™ bracket can be quickly and securely fastened to the handlebar without tools.Low Battery IndicatorIndicates a battery level.Dimension:34 x 100 x 37mmWeight:106 grams (light unit and battery)Light source:High intensity white LED x1Battery: Li-ion rechargeable battery (3.6v-2200mAh)Recharge time:approx 4 hrs (1A)Water resistant:IPX4