Premium Digitial Tire Inflator, inflate, deflate and measure tire pressure. Has an accuracty of +/- 2 PSI across full range. Built with a solid metal alloy housign for extended service, all air connections have a 1/4” NPT thread. Max pressure is175psi / 1,200 kPa / 12 Bar / 12 kgf, operating temperaturebetween +14 to +140 degrees F (-20 to +60 C) and anautomatic turn on and shut off feature to save battery life.