About the Cateye AMP 800 Experience the AMPP 800 which offers superior beam pattern for on or off-road, the compact, durable AMPP800\\\'s three level battery indicator means there\\\'s always time to get home. The Opticube lens technology has supreme light distribution and 220% larger side lens for a significantly wider beam and enhanced side visibility. The Double click feature to High mode and Single click returns to previous mode allows easy beam adjustment on the fly. A true performer, in every sense of the word. Key Features > High power rechargeable headlight (800 lm) allows your route to be lit up as much as possible > Built-in fast recharging circuit *Full charge in approx 3 hours (minimum) ensures you can get back into the night as soon as possible > 3-level battery indicator (Blue: Above 50% Yellow: 30-50% Red: Less than 30%) makes sure your are never in the dark about your battery levels