Cygo Lite Turbo 740 Xtra Li-Ion Rechargeable Headlight, White Integrated low battery indicator, 6 lighting modes Lightweight jet engine inspired headlight, durable weather-tight aluminum alloy headlight Run time: High - 4.5 hrs., Low - 9.5 hrs., Boost - 3.25 hrs., Flash - 4 hrs State-of-the-Art Cree XLM LED Technology, 74 lumen LED output; Compact high-capacity Li-Ion battery Includes handlebar mount