Large LCD display with backlight allows you to read your data clearly during day or night riding. 19 functions: current/max/average speed, trip distance, elapsed time, calories, temperature, scan, and more. 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 Size: 45 * 20 * 60mm / 1.8 * 0.8 * 2.4in Package Size: 136 * 91 * 23mm / 5.3 * 3.6 * 0.9in Package Weight: 82g / 2.9oz Package List: 1 * Bike Computer 1 * Wired Sensor 1 * Non-slip Silicone Base 1 * Magnet 5 * Nylon Tie Specifications: Color: Black Size: 45 * 20 * 60mm / 1.8 * 0.8 * 2.4in Package Size: 136 * 91 * 23mm / 5.3 * 3.6 * 0.9in Package Weight: 82g / 2.9oz Package List: 1 * Bike Computer 1 * Wired Sensor 1 * Non-slip Silicone Base 1 * Magnet 5 * Nylon Tie