Experience the freedom and safety of the K450, a light-sensitive headlight that transforms your ride. Seamlessly adapting to changing ambient light, it automatically switches modes, allowing you to focus on the journey ahead. The uniform floodlight offers a broad and crystal-clear view, ensuring you see and be seen from every angle. Elevate your cycling experience with the K450, where innovation meets incredible lighting performance. Intelligent daytime riding mode - Automatically adjust brightness according to ambient light change. Uniform floodlight - Enjoy a safer ride with the uniform floodlight, offering even-distributed light and superior side visibility. USB-C fast rechargeable - Recharge swiftly – just 1.5 hours for a full charge, and it can also light your way while charging. Inverted mount support - Save handlebar space, ensuring a sleek setup with a standard GoPro interface mount. (Upside-down bracket included) Power Level Indicator - Check the power level with a simple button press. Unique Wide-Angle Layered Lens - Experience brighter front illumination and wider side visibility. Minimize glare for pedestrians while improving visibility and stability. Durable and Waterproof - Aircraft-grade aluminium body with IPX7 waterproof rating, ready for extreme weather and riding situations. In the box - LED: 1*high efficiency white LED; Battery: 2200mAh/3.7V Li-ion battery; Dimensions/Weight (Headlight): 10mm*34mm*37mm/138g;