Sunding Sd 581 Bike Speedometer Wired Stopwatch Cycle Odometer

Colour: Black Material: ABSmodel: SD-581function: SPD CURRENT SPEED. ODO ODO METER(0.001~99999km/m)DST TRIP DISTANCE. MXS MAXIMUM SPEEDAVS AVERAGE SPEED. TM ELAPSED TIME . CLK CLOCK(12H/24H)+ - COMPAPATOR SETTING SPEED SCALE(km/h,m/h)SETTING TYRE CIRCUMFERENCE: (0mm~9999mm)SETTIN THE LAST VALUE OF ODOMETER / ODOFREEZE FRAME MEMORY AUTO ON/OFFPacking size: 5*3.5*5cmPackage Contents: 1* wireless code meter 1* sensor 1* mounting base 1* magnet 1* English manual 4* cable tie Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.