Super bright bicycle light: Up to 6000 lumens headlights with T6 5 LED bulbs. Best light focus and perfect light pattern WITHOUT dark spots or foggy light. Longer use time: The bicycle light battery has been upgraded from 6400 mAh to 8400 mAh, which lasts for about 120 minutes in strong light mode, 180 minutes in flashing mode, and 360 minutes in low light mode, perfect for night cycling. Wide range of use: The bicycle light battery can be used for outdoor activities on rainy days, and it is convenient and safe. Used as a headlamp or bicycle light for running, walking, fishing, hunting, camping, hiking, night cycling, etc. 3 switching modes: The bicycle light has three modes: High/Low/Flashing, switch freely between the lighting as you wish, one-button operation, easy to use for everyone. Warranty: If you have any problems, please contact us and we will try to solve it within 24 hours. We promise a money-back guarantee. [NOTE: Charge for 2-3 hours (or fully charge the battery) before use.]