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. + Ultra-compact safety light with integrated lens On/Off switch. Durable machined aluminum construction. Side Visibility lens extends beyond body to provide 180 degrees of visibility. Two replaceable CR2032 batteries power one bright LED. Up to 7 lumens with two output/flash options. Versatile 2-in-1 Clip-On System straps to bars or clips to loops.