Cygolite Hotshot SL 50 Rechargeable Taillight

Powerful 2 watt LED technology. USB rechargeable Li-Ion battery. 5 Flash Modes: Steady, Zoom, Triple, Single, Random with run times from 4.5 hours ~ 500 hours on a single charge. OSP (On-Site Programmable) Smart technology to adjust flash speeds. Includes tail light with integrated clothing clip, seat post mount and USB cable for charging.