1) Effectively help bicycle rider to track his progress and improve his stamina 2) Energetic as well as stylish design, practical as a functional analyzer 3) Time display function, also can be used as a watch 4) Wonderful gadget for traveling, best tool to keep fit 5) User friendly life style, easy to install, easy to read LCD display, ideal companion for your bicycle 6) LCD display as following: * SPD Current speed * ODO Total distance * DST Trip distance * MXS Maximum speed * AVS Average speed * TM Trip time * RPM Rotation per minute * CLK Clock (12H/24H) * SCAN Automatic circular function *“+”“-”COMPARATOR * Sleep Mode * Freeze Frame Memory * Setting tyre circumference /(0mm-9999mm) * Setting speed scale km/h, m/h * Setting the last value of odometer 7) Attach the sensor transmitter to the the left fork blade, the distance between computer and the sensor can not exceed 60cm 8) Range of speed recording: 0-99.9 km/h 9) Automatically On/Off 10) Rolling ball switch 11) Wirele