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 genuine Sunding Electronic Bicycle bike computer. This computer is so powerful in its functions. It can calculate the current speed the maximum speed the total distance and so on. - Color: Black - Plastic material - With 2" LCD display - Measures and shows the following information: - SPD: current speed - ODO: Odometer (0~99999KM) - DST: trip distance - MXS: maximum speed - AVS: average speed - OTM: Total trip time - TM: Trip time - RTM: Riding trip time - 12/ 24 hour time - SW: Stop watch - TMP: Temperature (-10'C~50'C) - TM UP: Trip time up - TM DN: Trip time down - Trip distance up - Trip distance down - """-" comparator - Maintenance alert - Low speed reminder - Over speed reminder - Setting type circumference (0mm~9999mm) - Setting the last value of odometer - Setting OTM - Freeze frame memory - Auto on/off - Powered by 1 x CR2032 cell (included) - Comes with English user manual clip holder (80cm cable) magnet User's manual: http://m2.img.dxcdn.com/CDDriver/sku.132125.jpg