Function:1.show right and left.2.show "0.1.2.3.4.5 "gear.3.show the high beam,voltage point.4.show mph with double graduation(KM/H,MPH)5.the accumulation mileage and subtotal mileage to be shown with LCD digital ,the subtotal mileage could be clear.6.the background is yellow green.7.the red light pare with water temperature meter and oil meter producing area:china