Dorcy 41-4001 3-AA Battery Operated LED Bicycle Head Light with Mounting Bracket, 220-Lumen, Silver/Black Produces a wide angle pattern for better and safer biking visibility LED technology (CREE XML T6) for clean, white lighting Runs for 7-8-hours at 220-lumens and 12-hours on flash mode Made of aerospace-grade aluminum alloy for corrosion resistance and durability Comes with a 1-year limited warranty