MACRO DRIVE 800XL High-performance, multi-purpose LED cycling light.Compact, durable and heat-dissipating extruded and machined aluminium body. Ultrahigh-output LEDs delivering up to 800 lumens.Optional Overdrive Race Mode toggles between Overdrive and Economy modes only. Mode Memory function returns to selected mode after turning off. Enhanced MOR (Maximum Optical Reflection) lens with built-in side visibility.High-speed 2 Amp USB charging capabilities (with compatible wall adapter). Versatile handlebar strap secures to round and aero bars. Advanced Li-Ion battery for superior run time.