A reliable, rugged, easy-to-use automatic tire inflator, manufactured to strict CE certification specifications, is designed to inflate tires on cars, trucks, tractors, military vehicles, and aircraft. The automatic tire inflator features convenient tire inflation and deflation.It can measure air pressure and has four measurement units: Kpa, Bar, Psi and kg/cm2. The reading Accuracy: is 1 Kpa 0.01 Bar 0.1 Psi/ 0.01kg/cm².