LED set: Multi-purpose performance LED cycling light. Compact, durable and heat-dissipating CNC machined aluminum construction. Ultra high-output LED delivering up to 400 lumens. Mode Memory function returns to selected mode after turning off. Seven combined lumen and flash modes. Enhanced MOR (Maximum Optical Reflection) lens with built-in side visibility. Integrated cable-free recharging USB stick. Versatile strap securely mounts to all standard bar shapes, including aero bars. Advanced Li-Poly battery for superior run time. + Powerful and versatile LED taillight. Light and durable co-molded lens/body construction. Unique aero and round post compatible design. Five ultrahigh-output LEDs delivering up to 150 lumens. Mode Memory function returns to selected mode after turning off. Eleven unique modes including two high-visibility Daytime Flash modes. Enhanced lens with built-in side visibility. Integrated cable-free recharging USB stick.