Brightness: With a brightness of 1000Lumen, this bike light provides excellent visibility and safety during night rides. Long Battery Life: The 4000mAh battery ensures long hours of uninterrupted riding, making it perfect for long distance cycling trips. USB Charging: The handlebar USB charging port allows for easy and convenient charging of the light, eliminating the need for complicated wiring or batteries. Multiple Mounting Options: The light can be easily mounted on the handlebar, providing a clear view of the road ahead. It can also be mounted on the bike frame, providing a range of visibility. Colour:Black Material:aluminum alloy size:10x3.3x3cm Package Contents: 1 set * bike lights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.