Exposure Lights Strada Mk.5 Headlights Cable Free Design (CFD): A primary feature unique to Exposure Lights removes the hassle of cables and straps Optimized Mode Selector : The Optimized Mode Selector allows you to easily select from a concise number of programs for your ride Intelligent Thermal Management: Patented technology that combats the loss in efficiency of LEDs at elevated temperatures, maintaining optimum output Weight: 228g Output: 800 lumens white light Power: 8700mAh Burn time: 3 - 36 hours Emitter: 2 x Cree XPG white LED