1) Pressure rang: 0-100 PSI
2) Accuracy: +/- 1%
3) Muti-scales: PSI, Bar, Kgf/cm2, Kpa.
4) Digital tread depth gauge (0-20mm/0.8inch)
5) Bright LED flash light
6) Back lighted LCD for use in the dark
7) Bleeder valve for pressure adjustment
8) High grade conical steel window hammer for emergency
9) Razor-sharp seat belt and air bags cutter for emergency
10) Compass
11) Manual ON/OFF, unit conversion, auto power off.
12) Power: 3pcs AAA batteries