The Nite Rider® Swift 300 delivers everyday reliable performance in an economical ultra compact head light. Sporting features like an easy on & off handlebar strap mount, low battery indicator & to top it off, its USB (Universal Serial Bus) Rechargeable; making it the perfect light of choice for commuters & cycling enthusiasts. Although small in size, make no mistake; the Swift 300 packs a big punch with a maximum light output of 300 lumens! Powered by an internal Lithium Ion battery, in Walk Mode, the Swift 300 can run for up to twenty-seven hours before it needs a charge. Highly durable design made with fiberglass reinforced plastic Smooth 300 lumen beam pattern in an ultra compact & lightweight design Innovative Collimator Lens optimizes your field of view Built-in, easy on & off handlebar strap mount 4 Light Levels plus 1 Daylight Flash Mode Fuel Gauge / Battery Level Indicator FL1 Standard IP64, dust & water-resistant Convenient USB (Universal Serial Bus) rechargeable Lumen Output:300 Run Time:1:30 25:00hrs Quick Charge Time:2:00hrs at 1 Amp Normal Charge Time:3:15hrs at 500m A Weight:82g Battery: Li-Ion