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

This Bike Computer Odometer Speedometer has many useful functions. It is also very durable considering even you have put over 500 miles on it， you evendon?ˉt have to change the battery. It is functioned as tracking your trainingprogress in real time. Easy operation and durability make it popular withpeople. Generally speaking， with it， you can control your riding every moment.Description:1.SPD CURRENT SPEED2.ODO ODOMETER3.DST TRIP DISTANCE4.MAX MAXIMUN SPEED5.AVS AVAAGE SPEED6.TM ELASPED TIME7.CLK CLOCK/(12H/24H)8.SCAN9.?°+?±?°-?±COMPARATOR10.SEETING SPEED SCALE(KM/M)11.SEETING TYRE CIRCUMFERENCE(0mm-9999mm)12.SEETING THE LAST VALUE OF ODOMETER13.FREEZE FRAME MEMORY14.AUTO ON/OFF15.WIRELESS TRANSMISSION1.Type:wireless-type 15-function2.Material: plastic electronic components3.ShowLCD display4.Size:7.2cmx11.5cmx4cm5.Color:BlackNote: The wheel magnet and the sensorbracket should maintain the 3-5mm sensing distancePackage Include:1 x CYCLE COMPUTER1 x Mounting Shoe1 x Sensor Transmitter1 x Battery1 x Wheel Magnet1 x Manual