With LCD display, the most practical tire pressure gauge. ZCC-206A:four display units: PSI,KPA,BAR,KG/CM² ... , car will feel wind; otherwise. The pressure in the factory configuration range, can make the tyre has the best contact most uniform ... ), with the car tyre pressure standard value ( usually 28~32psi ). Here to give you an experience reference: car tire pressure 32psi, SUV/Van 35psi ...