Introducing the Cygo Light Ranger 2000 Endurance - insanely bright, 2000 lumen compact headlight. Featuring ultra high capacity cells, advanced microcontrollers, and powerful LEDs for unprecedented battery life. DayLightning flash mode for increased safety, adjustable modes with up to 110 hour run times, and a compact, handlebar mounted design. Designed and assembled in the USA for the ultimate cycling experience.