Waterproof Bicycle Headlight Mountain Bike Light LED Bicycle Front Light 350 Lumen USB Rechargeable Features: brand new and high quality. 1. New cylindrical design, small and exquisite. 2. Aluminum alloy shell, beautiful, sturdy, durable and fast heat dissipation. 3. Highlight 350 lumen white light XPG lamp. 4. Daily waterproof design, button switch and USB charging interface are covered with extended rubber fold. 5. 4 lighting modes: strong light - medium light - weak flashing light - off (click to switch). 6. USB charging interface, supports repeated charging and discharging. 7. The self-assembled plastic tire is suitable for 18-32mm thick handlebars, also applicable to front and rear forks. Specification: Color: black, red, silver Material: aluminum alloy Length: 6cm/2.36 \" Diameter: 2.7cm/1.06 \" Weight: approx 80g/2.8oz Li-battery: 3.7V, 500MAH Applicable handlebar diameter: 18-32mm Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 LED Bicycle Headlight 1 USB Charging Cable 1 Bracket 1 Strap