Light & Motion Urban 850 Trail Fast Charge Bike Light 850 Lumen output certified to the FL-1 Standard Innovative waterproof design with subtle dark crimson side lighting 4 Modes: High: 1.5 hours (850 lumens) &gt; Med: 3 hours (375 lumens) &gt; Low: 6 hours (185 lumens) &gt; Pulse: 12 hours (185 lumens) System Includes: GoPro Mount, Helmet Mount, and MicroUSB Charge Cable Designed & Assembled in California with 2 Year Warranty when purchased through an Authorized Dealer