The MAXXD Mk17 provides 4850 lumens with a refined beam pattern for long-range visibility and wider cornering vision\nOffers 2-36 hours of runtime making it suitable for both high-speed rides and multi-day adventures Fast USBC charging and a bright OLED color screen 7 customizable modes allowing you to adjust output and runtime between 2 to 36 hours to suit your ride Light features a quick release cleat system for easy toolfree mounting with additional mounting options available for various setups