Lezyne's Macro Drive 1100XL is a high-performance LED cycling light with a compact, durable and heat-dissipating machined aluminum body. Two market-leading, ultra-high-output LEDs delivering up to 1100 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 side visibility. High-speed 2 Amp USB charging capabilities (with compatible wall adapter). Versatile strap securely mounts to all standard bar shapes, including aero bars. Advanced Li-Ion battery for superior run time.