Digital tire gauge for air pressure and tread depth,With 5 practical functions,digital pressure gauge,LED light,emergency hammer,seat belt cutter,tread depth gauge,Simple and reliable checking of tire pressure, directly readable on illuminated LC display,Safe tread depth measurement indicates tire depth with blue,yellow or red,With battery-saving auto-shutoff function,Suitable for cars, off-road vehicles, motorcycles or bicycles with car valves,With 4 selectable measuring units,Measuring range: air pressure 5-150 PSI, 0.3 - 10.3 bar, 30 - 1030 kPA, 0.35 - 10.5 kg/cm� / tire profile 0-19 mm,Measuring units: psi, bar, kPa, kg/cm�,Pressure range: 5 - 150 PSI (0.3 - 10.3 bar),Accuracy: Pressure range < 60 PSI (4 bar): � 1 PSI,Pressure range 60 PSI (4 bar) to 145 PSI (10 bar): � 2.5 PSI,Pressure range > 145 PSI (10 bar): � 3.5 PSI,Operating temperature: -10 - 50 �C,Material: Plastic