With LCD display, the most practical tire pressure gauge. RCC-290A:four display units: PSI,KPA,BAR,KG/CM²RCC-290B: English pronunciationRCC- ... parameter of vehicle stickers ( usually white ), with the car tyre pressure standard value ( usually 28~32psi ). Here to give you ... lid of the tire. 2 , take out ready tire pressure gauge . 3 , take tire pressure gauge head right, at the hole, pressing 4 , The ...