CatEye AMPP 1100 Headlight. AMPP1100 uses a twin-LED design with OptiCube lens technology spreading a wide and even beam across whatever the terrain throws at you.Built-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)Five light modes (High / Middle / Low / Daytime HyperConstant / Flashing)Mode memory functionTurns on High mode with double-click of power buttonRun time 1.5 - 50hrs across 5 modes