A powerful personal safety beacon equipped with five high-intensity LEDs. With magnification on three sides, this lightweight light will run for 500 hours on 2 AA Alkaline batteries (included). Weather and shock resistant, this light provides 4,000 feet of visibility. The durable and effective TEKNA® Vista-Flash features a clamp that can be attached to bicycle and other surfaces for easy usage. It is the perfect safety solution for cyclists and runners of all ages. Made in the U.S.A. (complies with the "Buy American Act", may contain imported components). 1 year warranty.