The LED double mode provides a broader, more traditional rear light beam that ensures visibility from multiple angles Powered by a 500 mAh battery, the Laser Bike Taillight LD51 delivers up to 7 hours of continuous runtime on a single charge This extended battery life means you can enjoy multiple rides throughout the week without needing frequent charging Whether you’re planning a long weekend adventure or daily commutes, you’ll have reliable lighting power when you need it most Getting your taillight ready for the next ride is simple and convenient The USB charging system fully charges the 500 mAh battery in just 2 hours, so you spend less time waiting and more time riding