NiteRider Lumina 750 Bike Light New Boost Mode, double click power button to unleash maximum LED output. 5 Light Levels plus 1 Daylight Flash Mode. Affordable, super high output light at 750 lumens on Boost Mode. Easy on and off handlebar strap mount with quick release tab. Fits standard and oversize 35mm handlebars. Convenient USB rechargeable. Low battery indicator. IntelliCharge  Reduce charge time in half! FL1 Standard IP64, water resistant.