Quantity: One piece Color: White on Black High-Resolution Display: 60mm round screen, wide viewing angle with large fonts, data can be read from all angles, no reflection blind spot, especially in darkness or long tunnels. 24 Functions: Records distance, max speed, average speed, current speed, temperature, calorie counter, and 24 other functions. The bike computer works with all bikes, road bikes, mountain bikes, folding bikes, conventional bikes. It can also be used for hiking, climbing, and many other fun and adventurous outdoor activities. Waterproof: Made of IPX7 waterproof material, it is waterproof and can be used on rainy days, but we recommend avoiding prolonged exposure to rain or water. Wireless and Memory Function: Wireless design makes it more convenient and durable. After 300 seconds without a signal, the screen enters sleep mode. Within 2 hours between sleep modes, the bike computer will automatically wake up when you cycle and display previous data. EASY TO USE: The comprehensive manual allows you to quickly set up your bike computer and use all functions with just two buttons. The improved bracket facilitates a better connection, suitable for all sizes of bicycle handlebars. Good quality product