LED set: Compact, high visibility safety light with two ultra bright LEDs. Durable, waterproof construction. Super lightweight. Provides up to 180 lumens and six output/flash modes, including a super high-visibility Daytime Flash mode. Side Visibility cutouts for 180 degrees of visibility. Versatile 2-in-1 Clip-On System straps to bars or clips to loops. Integrated USB stick for convenient cable-free recharging + Compact, high visibility safety light with two ultra bright LEDs. Durable, waterproof construction. Super lightweight. Provides up to 10 lumens and three output/flash modes. Extended for 180 degrees of visibility. Unique aero and round post compatible design. Integrate USB stick for convenient cable-free recharging.