Cygolite Hypershot 380 USB Taillight

380 lumens of powerful brightness with Dual LED Cycling Tuned Optics for wide, long-range visibility and daytime-visible flashes to enhance safety on busy streets 7 lighting modes including SteadyPulse, DayLightning, Bzzz Flash, and more—customizable via OSP (On-Site Programmable) Technology for up to 200 hours of runtime Compact, rugged, and convenient — IP64 waterproof, USB-C rechargeable, quick-release seatpost and seatstay mounts, and light mode memory for seamless operation The 2 button design lets you control the speed of each flash mode and the brightness of the Steady and Bzzz modes to your preference And with 7 unique lighting modes and a run time range of 2 to 200 hours (yes, really), you won’t go unnoticed