Scientific DesignThe T6 LED high-brightness chip illuminates up to 200 meters. The concave design prevents glare, and three lighting modes (high beam, low beam, and strobe) allow you to adapt to various riding conditions. Safety Waterproof DesignConstructed with ABS waterproof materials and a rubber protective cover for the charging port, this bike light is dustproof and waterproof. It can be used in rainy or snowy conditions, providing more versatility for your rides. Convenient InstallationThe rubber strap allows tool-free installation on your bike. Align with the slot and slide in a noticeable click indicates secure installation. Removal is as simple as pressing the switch and sliding out. Quick-detach in 1 second for ultimate convenience. Email UsIf you have any questions or concerns, please before or after purchasing. We promise to provide you with a satisfactory solution within 24 hours. Long-lasting BatteryThis bike headlight features a solar and USB dual-charging mode with a built-in 2000mAh high-capacity battery. It charges in just 4 hours, providing up to 6 hours of continuous use. The top surface of the light incorporates a solar panel, ensuring prolonged battery life and added security for your rides. Loud HornEquipped with a 120-decibel horn, louder than a truck engine, this bike light ensures safety during rides. Long-press for 5 seconds to access the horn settings, offering a selection of 5 different tones.