Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Specifications Power source: CR2032 battery Dimensions: 18 * 10.2* 1.9cm Package weight: 65g Functions 1.SPD Current Speed 2.ODO ODOMETER 3.DST TRIP DISTANCE 4.MAX MAXIMUM SPEED 5.AVS AVERAGE SPEED 6.TM TRIP TIME 7.CLK CLOCK / (12H/24H) 8.MIN/MAX RPM 9.Scan 10.SEETING TYRE CIRCUMFERENCE: (0mm~9999mm) Setting Speed Scale(km/h，m/h) 11.FREEZE FRAME MEMORY 12.BACK LIGHT 13.SETTING THE LAST VALUE OF ODOMETER / ODO 14.SETTING SETTING RIDER'S WEIGHT 15.MAINTENANCE ALERT 16.LOW POWER REMINDING 17.AUTO ON/OFFPackage Includes 1 * Pad 1 * Magnet 1 * Battery 1 * Sensor 6 * Cable tie 1 * User manual 1 * Mounting Shoe