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. - Color: Black - Material: Plastic + Magnet - 1.5" LCD display - Powered by 1xCR2023 battery (included) - Features scan timer and clock function - Measures and shows the following information: - DST (Riding distance) - ODO (Accumulated trip distance) - CAL (Calorie consumption) - RPM (Rotations per minute) - SPD (Riding current speed) - MXS (Riding maximum speed) - AVS (Riding average speed) - Easy to installation all mounting accessories included - Comes with English/Chinese manual