This bike computer with 19 functions and touch buttons make it a perfect accessory for bike riding.Features: 19 functions: current/max/average speed, trip distance, elapsed time, calories, temperature, scan, clock, and more. Large LCD display with backlight allows you to read your data clearly during day or night riding. Compact size with touch buttons for easy operation. Durable, water-resistant construction for working anytime and any weather. Comes with a wired sensor, magnet, non-slip silicone base, 5 x nylon ties.Specifications: Color: Black / Red / White (optional) Size: 45 * 20 * 60mm / 1.8 * 0.8 * 2.4in Package Size: 136 * 91 * 23mm / 5.3 * 3.6 * 0.9in Package Weight: 82g / 2.9ozPackage List: 1 * Bike Computer 1 * Wired Sensor 1 * Non-slip Silicone Base 1 * Magnet 5 * Nylon Tie