CygoLite HotShot 120 USB TaillightThe CygoLite HotShot 120 USB Taillight features a powerful 120 lumens of flashing output, bringing unprecedented safety to the everyday cyclist. The unique 2-button design lets you adjust the speed of flash modes and brightness of Steady mode. There are 6 modes including Steady, zoom flash, triple flash, single flash, random, and SteadyPulse. SteadyPulse's steady beam helps motorists better gauge their distance from you while the overlapping pulses keep them alert of your presence. The extra wide beam Enhanced Cycling Optics efficiently scatters the beam to maximize your visual presence. The OSP Technology lets you fine tune brightness and flash speeds (patent pending). There is a low battery indicator and the light mode memory recalls the last mode used before shutting down. There is a built-in clip that can be used on clothes with a seatpost mount. Assembled in the USA. USB C rechargeable. Weighs only 59g.745025046175