The new standard in urban bike lighting. The USB (Universal Serial Bus) rechargeable Volt 100 delivers a constant 100 lumen output to see by & flashes at an ultra-visible 150 lumen when you really need to be noticed! USB (Universal Serial Bus) rechargeable front light with up to 150 lumen output Integrated Li-ion battery Side visibility USB (Universal Serial Bus) recharge Flextight handlebar bracket Helmet mount compatible Modes: High / Low / Flash Runtimes: 2hr 100 Lm/ 6hr 30 Lm / 30hr 150 Lm Weight: 65g