Imjin's powerfully focused beam & compact size make a versatile light for any type of riding & is perfectly designed to run on your helmet The Imjin features an optimized reflector that provides a large & even spot beam without hot spots Designed to maximize run-time in an ultra-light package 800 Lumen output certified to the FL-1 Standard Engineered with the best CREE LED & enhanced firmware Custom engineered micro-peened reflector optimizes the light to provide a smooth, even beam pattern that focuses the light exactly where you need it Beam pattern was engineered to maximize riders depth perception Secondary Race Mode simplifies your settings to switch between high power with 2 hours run time & low power with 4 hours Daytime Pulse mode Illuminated power button indicates battery capacity Universal tool-free mounting system (Helmet mount included) Ultralight body is virtually weightless on helmet Recharge time of 2.75 hours Multiple power settings with cruise & secondary race mode, High 2:00 / 800, Med 4:00 / 400, Low 8:00 / 200, Pulse 16:00 / 200, Race High 2:00 / 800, Race Low 4:00 / 400 System weight: 230 grams Designed & Assembled in California Backed by Light & Motions 2 Year Warranty