Mini tire pressure gauge - LCD display for easy reading, reducing tire wear, extending tire life. Portable key ring - Easy to carry key chain ring which can be used at any time. Range: 2-150 psi or 0.15-10.0 bar or 15-1000 kPa or 0.15-10.0 kg/cm2. Easy switch between 4 measurement units (PSI, BAR, KPA and KGF/CM2). Four product advantages 1 Can accurately measure car tire pressure 2. Effectively prevent tire burst and ensure safe use 3. Reduce fuel 4. Extend tire life Product Parameters 1. Pressure range: 5-150psi 2. Four pressure options: kg/cm2, kPa, psi, bar 3.LCD digital display 4. Power supply by long-lasting lithium battery 5. High Accuracy: Accuracy 1% 6. Resolution : 0.01kg/cm2, 1kPa, 0.1psi, 0.01bar 7. Size 6.3*3.3*1.5cm Color: Black