1.Digital Tire Gauge With Unit Switch 2.Low Battery Detect 3.Range:5-100PSI,0.5-7Bar,50-700Kpa 4.Automatic Shut-down Digital Tyre Gauge TG303Specification:Range:5-100PSI,0.5-7Bar,50-700KpaUnit Change for PSI,Bar,kg/cm2 and KpaIncludes 3V Lithium BatteryAutomatic Shut-down for Power-saving ModeLCD Digital DisplayTire treads depth range: 0 to 15.8m