Extremely Strong Bicycle Light: Up to 6000 lumens Front Bicycle Lights with T6 5 LED. Best light focus and perfect light pattern WITHOUT any dark spots or foggy light. Longer Runtime: The bicycle front light battery has been upgraded from 6400mAh to 8400mAh, which can last 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 Application: The bicycle headlight battery can be used for outdoor activities on rainy days, and it is convenient and safe. Used as a headlamp or bicycle front light for running, walking, fishing, hunting, camping, hiking, night cycling, etc. 3 Switching Modes: The bicycle light has three modes: High/Low/Flashing, freely switchable 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.]