Compact, low-profile tail light featuring 7 extremely bright COB style LEDs 440 mAh lithium polymer battery charges in as little as 2 hours via the included USB cable Adjustable silicone mount is perfect for seat posts, seatstay, helmets or racks Broad light dispersion ensures visibility in day or night Run times of 2.5 to 11 hours in SuperFlash mode Provides 180? of visibility with 3 modes