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

Parameters:Test Unit: Psi Bar Kpa， 1 Kgf / cm2 = 98.0Kpa = 14.2Psi = 0.98BarTest range: 0 ~ 100PsiLife: more than 15，000 timesSize: 11 cm long， 5 cm wideColor: YellowPress the red button to light， easy to use at nightHow to use:Press the button， it lights， screen displays 0.00， tire pressure can work.Tire pressure test unit can be selected by button.Push the tire pressure gauge is inserted into the gas nozzle. Quickly removed the tire pressure can be measured after 1 second.Hold down the button for 3 seconds， or 20 seconds after the tire gauge will automatically shut down.Note:Accuracy: ± 0.5PsiPackage List:1x Digital tire gauge