Compact cycling safety light with two bright LEDs and a 200-lumen Daytime Flash mode. It features a super lightweight, yet durable co-molded construction that is IPX7 (waterproof) rated. NEW -- Up to 20 hours of runtime (eight hour increase) and up to 200 lumens (20 lumen increase) of output. And it features an integrated USB stick for convenient cable-free recharging.