The Specialized Stix Elite 2 Headlight is a powerful front light to help you see where you are going & make sure you are seen by other road users day or night. This is a great light for commuters & road cyclists. Running in Steady-High mode at night the Stix Elite 2 delivers 100 lumens of focused, strong, & bright light to guide your way. It’s a true to-see-by headlight. During the day, your visibility & safety becomes its first priority. Running in Power Flash mode, this tiny package delivers 200 lumens-worth of “see me now” light, making it a beacon for all road users. & depending on the chosen mode, the Stix Elite will run for up to 112 hours, & it’s easily charged via built-in USB (Universal Serial Bus) tab, which eliminates the need for a cable. Features 12 to 200 lumens output. Spherical lens delivers a to-see-by beam pattern. Fresnel lenses for secondary LEDs provide wide angle visibility. 2.5- to 112-hour runtime. Charges in the USB (Universal Serial Bus) port of any laptop or phone charger in two hours (no extra cables needed). Flexible mounting system works with handlebars from 22.2mm up to 35mm in diameter. Six modes including: Steady High (100 lumens), Steady Low (38 lumens), Power Surge (97 lumens), Power Flash (200 lumens), Disco Flash (63 lumens), Eco Flash (12 lumens). Red/ Green battery charge level indicator. Additional mounting options available separately.