[LED Lights for Safety]: The bike light is suitable for various conditions, including low-light environments, road cycling, and mountain biking. Equipped with high-power LED lights and 4 brightness modes, it illuminates the road and increases visibility to enhance safety. The two warm yellow lights improve road visibility, especially at intersections.[Waterproof Odometer with Horn]: A waterproof bike computer that tracks average speed, maximum speed, current speed (km/h), trip distance, total odometer, ride time, and calories burned. Features a sensor with magnet for accurate speed measurement. The backlit LCD display ensures clear visibility in all lighting conditions.[4-in-1 Bike Computer]: Combines a speedometer, odometer, 5-mode headlight (450 lumens), and 5-mode bike horn (120dB). The package also includes a 5-mode rear light. This integrated bike computer helps keep handlebars organized and provides essential cycling data.Color: Black-Red Material: Plastic Size: 11.9 x 5.8 x 9 cm Package Contents: 1 x Bike Headlight 1 x USB Cable Note: Light reflection and differences in display screens may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.