Functions: 1.SPD/CURRENT SPEED 2.ODO/ODOMETER 3.DST/TRIP　DISTANCE 4.MXS/MAXIMUM　SPEED 5.AVS/AVERAGE　SPEED 6.TM/ELAPSED TIME 7.CLK/CLOCK(12H/24H) 8.SCAN(ICON) 9."+"-"COMPARATOR 10.SETTING SPEED SCALE(km/h,m/h) 11.SETTING TYRE CIRCUMFERENCE(0mm~9999mm) 12.SETTING THE LAST VALUE OF ODOMETER/ODO 13.FREEZE FRAME MEMORY 14.AUTO ON/OFF Specifications: 1. Type:wired-type 14-function 2. Material: plastic electronic components 3. LCD display 4. Size:46mmX46mmX19mm package: 1 X Wired LCD Bike Bicycle Odometer Speedometer 1 x Transmitter Sensor 1 x Magnet 1 x Bracket 2 x strips of cables ties 1 x battery 1 x user manual