LED set: High-performance multi-purpose LED cycling light. Compact, durable and heat-dissipating machined aluminum body. Ultra high-output LEDs producing up to 700 lumens. Eight mode options, including the ultra high-visibility Daytime Flash mode. 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 strap securely mounts to all standard bar shapes, including aero bars. Advanced Li-Ion battery for superior run time. + Extremely powerful and versatile LED taillight. Light and durable co-molded lens/body construction. Waterproof. Unique aero and round post compatible design. Five market-leading, ultrahigh-output LEDs delivering up to 300 lumens. Mode Memory function returns to selected mode after turning off. Nine combined lumen and flash modes, including the extremely visible 300-lumen Daytime Flash mode. Enhanced lens with built-in side visibility. Integrated cable-free recharging USB stick.