... tire gauge / air gauge / safety hammer / emergency light Specification:1.Size:18.5*8.0*2.7 cm2.Weight:135 g3.Power ... , 0.01Bar, 0.01Kgf/cm², 1Kpa.Accuracy:±1%(0~100PSI), :±2%(>100PSI)B.Tread depth gauge:Range: 0~19mm/0.7 ... tyre gauge(the measuring unit: PSI, Kgf/cm2, Bar, Kpa)2.with Digital display Tire scale(the measuring unit: mm/inch ...