About this product: 【Bike Headlight + Tail Light】 180° wide-angle illumination, 5 lighting modes. This bike light boasts a 180° wide-angle anti-glare design with a brightness and a maximum illumination distance of 300 meters. It allows you to clearly see the road surface and pavement even in the dark, supporting safe riding. Furthermore, it features 5 lighting modes: auto-sensor mode, high-brightness mode, medium-brightness mode, eco mode, and SOS flash mode, catering to various lighting needs. You can use it with confidence in any environment. 【Newly Developed 5 Light Modes & Light Sensor】 Equipped with 2000+2000LM high-brightness 2 LEDs, the newly developed intelligent light-sensing mode automatically turns on in the dark, improving convenience while riding and reducing battery consumption. Press the switch to enter the lighting mode. Press it again to switch to the next mode: 1 LED Light Sensor → 1 LED → 2 LED High Beam → 2 LED Low Beam → Strobe 【IPX5 Waterproof & Easy to Install/Remove】 With IPX5 waterproof and dustproof performance, it prevents water, dust, and mud from entering even in heavy rain, allowing you to ride in any environment. The elastic clip and buckle design makes charging easy and also prevents theft, providing a comfortable riding experience. Note: After charging is complete, firmly close the rubber cover of the charging port to prevent the effects of sand and rain. 【Easy USB Fast Charging & LED Battery Indicator】 Type-C fast charging fully charges the battery in just 5 hours, and it can be used for up to 20 hours in energy-saving mode, eliminating the need for battery replacement. The high-brightness 2000+2000 lumen LED power indicator allows you to check the riding time in real-time, eliminating anxiety about the cruising range. Note: After charging is complete, firmly close the rubber cover of the charging port to prevent the effects of sand and rain. 【Package Contents & Excellent Durability】 Package contents: Bike headlight, tail light, bracket (with dial), USB charging cord, instruction manual. Bike tail light: vertical and horizontal, waterproof design, TYPE-C charging, 4 modes.