Feature: 1. Waterproof design, suitable for all weather conditions. 2. LED backlight for clear visibility, even in low light. 3. Features speedometer and odometer to track your Cycle speed and distance. 4. Includes a calorie counter to monitor your fitness progress. 5. Displays temperature in both Celsius and Fahrenheit. Specification: This waterproof bike computer features a LED backlight, speedometer, odometer, calorie counter, and temperature display. It's the perfect tool for tracking your Cycle progress and fitness goals. Features: Waterproof design, suitable for all weather conditions. LED backlight for clear visibility, even in low light. Features speedometer and odometer to track your Cycle speed and distance. Includes a calorie counter to monitor your fitness progress. Displays temperature in both Celsius and Fahrenheit. Specifications: Model: Wired/ Wiredless(Optional) Size: 6.5*3.2*1.5cm/2.6*1.3*0.6in Weight: Wireless model - 132g / 4.7oz, Wired model - 102g / 3.6oz Package list: 1 x Bike Computer 1 x Set Accessories Package List: 1 x Bike Computer 1 x Set Accessories