100 PSI with flexible hose and bleeder Fully geared， precision movement with bronze Bourdon tube Accuracy conforms to ANSI B40.1 Grade B and California regulation Easy to read dial Product Features: 1.Compact design， easy to carry，easy to operation. 2.High quality precision movement， accurate measurement. 3.Two kinds of pressure unit identification LBS，KBS， interpretation of various vehicles pneumatic tyre internal pressure. 4.General car suitable for tire pressure in the 28-35 pounds.(28-35LBS/SQ.IN) Warm prompt 1.Unit conversion 1kgf/cm2=98kpa. 2.Normal car maintenace， should the tire pressure once a month.