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.