Size: L:14cm*W:5.7cm*H: 2.7cmtire gauge Weight: 80gMeasure range:0-150PSI 0-10BARprecision:around 1% Maintain correct tire pressureReduce tire wear and extend tire lifeIncrease fuel efficiencyImprove vehicle handing and safetyLCD light demonstration Automatic shut-offEngineering plastic shell Brief introduction:High grade digital display chip.LCD display screen， more reliable， High Quanlity & Reasonable PriceThree kinds of test unit:PSI，BAR，KPAreplaceable button batteryFine Streamlined appearance design Method:1. Start the tire gauge; as the screen shows 8.8.8，press the starting up button2. Press the tire pressure gauge mouth to the tyre valve mouth， stay for a minute without air leakage. Then pull out the gauge mouth to tell the test result1KG/CM2=14.2PSI1KG/CM2=0.98BAR1KG/CM2=98.0KPA