Have you ever calculated how fast you can drive or how long you drive everyday? May be you want to calculate but you do not have such kind of tool and the traditional watch is not so accurate. If so you should pay special attention to this multifunction waterproof bike computer. This wireless cycle computer is so powerful in its functions. It can calculate the current speed the maximum speed the trip distance the total distance the average speed and so on. - Easy installation all necessary mounts are included - Digital LCD display shows current time while standing by - Water resistant design (can be used while raining) - Powered by 1*CR2032 battery (included) - Measures and shows the following information: 1. SPD - Current speed 2. ODO - Odometer (Total distance) 3. DST - Trip distance 4. MXS - Maximum speed 5. AVS - Average speed 6. TM - Elapsed time 7. CLK - Clock (12H/24H) 10. Setting speed scale (km/h m/h) 11. Setting tire circumference 12. Setting the last value of odometer 13. Auto on/off - Package Included: - 1 * Universal sensor transmitter bracket (with 85cm cable) - 1 * Bike computer console - 1 * Mounting shoe - 1 * Wheel magnet - 1 * 3.0V 2032battery - 1 * 23A 12V battery - 1 * English user manual - 1 set * Cable tie