... air gauge / safety hammer / emergency light Specification:1.Size:18.5*8.0*2.7 cm2.Weight ... 1PSI, 0.01Bar, 0.01Kgf/cm², 1Kpa.Accuracy:±1%(0~100PSI), :±2%(>100PSI)B.Tread depth gauge: ... Temperature: -5oC~50oCStorage Temperature:-10oC~70oC8 multiple functions:1.with digital display tyre gauge(the measuring unit: ... cm2, Bar, Kpa)2.with Digital display Tire scale(the measuring unit: mm/inch)3.with life-saving ...