bicycle step counter

1.Goods discription: 1)product size :43*48*25mm 2)material: ABS 3)Battery: LR1131* 1pc 4)provide product specification 5)provide OEM and logo 2.function : 1)Input wheel size 2)Travel distance 3)A total of cycling distance 4)maximum speed 5)Average speed 6)The current speed of real-time display 7)The choice of metric system 3.packing: 1)QTY/CTN :600PCS/CTN 2)carton size :57*34*51.5cm 3) G.W.:16KG N.W.:15.5KG