Knog Boomer 1 LED USB (Universal Serial Bus) Rechargeable Front Light: Just like the Boomer, but only rechargeable (plug it into any USB (Universal Serial Bus) 2.0 device). Takes around 2-4 hours fo fully charge. Water-resistant, super-slim, flexible silicon body, integrated lens, hold down button to "turn off" in any mode front safety light. The Boomer Front will fit handlebars from 22mm upto 32mm. 25% brighter than any other Hi
- Powered mini light on the market (280 microcandellas) 4 flash modes & constant Lo-battety indicator 80 hours run on FLASH mode Reacharge from any USB (Universal Serial Bus) device Dimensions: 68 x 50 x 34mm Weight: 53 grams (including batteries) Modes: 1. Constant 2. Strobe Flash 3. Fast Flash 4. Random Strobe