1. The product comes with a light sensing mode, which automatically turns on the lighting mode when cycling into dimly lit areas of tunnels. Make your cycling journey . 2. The product has a German fan-shaped anti glare design, which is more suitable for cycling on the road without shaking the eyes of passersby, making the cycling journey and more reassuring. 3. Lighting function: High brightness mode - Medium brightness mode - Low brightness mode - Flash mode, lightly press to enter lighting mode, long press to enter light sensing mode. Manual pressing adjustment 4. The headlights come with a 4-speed blue light battery display, allowing you to monitor the battery level in real-time while traveling. 5. The product buckle bracket is fixed with rubber straps. No tools required, allowing you to easily disassemble and install. 6. This product uses TYPE-C charging mode, making charging more convenient and easy . 7. Equipped with high brightness light beads, the road conditions are clear at a glance, and the wide-angle lighting provides a clear view, making night riding . Specifications: Output current: 5V/1A Charging method: TYPE-C Working current: 3A Product weight: Net weight 97g Product size: 105 x 33 x 32mm Switch type: Press Colour:black Material:plastic Package Contents: 1 * Bicycle Light 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.