Lighting Modes - 4 kinds of flashing modes for front and rear lights - full brightness, half brightness, fast flashing and slow flashing, to meet different lighting needs when riding. Diversity of Use - This bike light is perfect for cycling, hiking, running, camping or other outdoor activities, It can also be an emergency light that protects you and your family when cycling on a crowded road or walking at night. Silicone Fixing Tape - There are 2 silicone belts in the package, the belt is elastic enough, suitable for all kinds of bicycles, and the fixation is more stable. Easy to Use - The USB charging indicator does not need to replace the battery; the product specifications are small and easy to place or carry; easy to disassemble, anytime, anywhere. Worry-Free After-Sales Service - always provide the best service for our customers. If you have any problems with our product, please contact with us. Duration (full charge) Front LED bike light: 10 hours (full brightness), 24 hours