... most practical tire pressure gauge. DCC-142A:four display units: PSI,KPA,BAR,KG/CM²DCC-142B ... : English pronunciationDCC-142C: A display unit: PSIProduct size: 138*40*43mmGross weight: 52gColour: ... driving force, uniform wear. How to know oneself car normal tire pressure? Open the driver's door, the door ... tire pressure steps: 1 , of course, is to open the lid of the tire. 2 , take out ...