... : 1.Pressure unit: psi,bar,kpa 2.Power:CR2032 3V lithium coin cell Digital Display Tire Pressure Gauge : 1. Pressure range:0 ... ,bar,kpa,kgf/cm²(optional) 3. Resolution:0.5psi/0.05bar 4. Power:CR2032 3V lithium coin cell 5. On/off key ,Auto ... shut off 7. Accuracy:≤±1 psi8. Product size: 13.3 x 7.1 ...