popular tire pressure gauge 1. Four units in measuring pressure: PSI, Bar, Kgf/cm2, Kpa. 2. Range:0~100PSI,0-7.0Bar,0-7.0Kgf/cm2,0-700Kpa 3. Resolution: 0.1PSI,0.01Bar,0.01Kgf/cm2,1Kpa 4. Accuracy: ±1% 5. Operation Temp.: -5°C~50°C 6. Material: ABS plastic 7. One 3V 2032 button cell (included)