Powerful 2 watt red LED bike tail light with adjustable brightness and flash speeds. Patent pending adjustable flash tempo and brightness lets you maximize motorist awareness with its unique and easy to use 2 button control.

5 exclusive night and day modes provide enhanced safety : Steady - Zoom - DayLightning Flash - Triple Flash - Random Flash. Wide range Run time of 4 1/2 to 500 hours with flash tempo adjustment

Stand out in broad daylight with DayLighting Flash mode. This one-of-a-kind flash mode acts as daytime running lights for ultimate cyclist safety

Built to endure road cycling conditions with durable & water resistant body, and hard seat post & seat stay mounts, all while keeping a compact form & weighing only 55 grams. Designed for convenience with USB rechargeable design & low battery indicator

Hard seat post mount and seat stay mount attaches securely

Designed, engineered, and assembled in the USA. Founded in 1991, Cygolite is the proven bicycle light experts with exclusive designs and innovations crafted into quality products that are on the leading edge of safety

The grandmaster of bicycle tail lights, the Hotshot 2W features a powerful 2 watt red LED. Its integrated Li-ion battery allows convenient USB charging, eliminating battery replacement costs and waste. Exclusive features such as OSP Technology lets you quickly fine tune each of the 6 default flash speeds to your preference, and lasts up to 500 hours on a single charge.