* Features:
   Insert to the end automatic grip tire valve design
   Air tightness still can be maintained under high
   pressure
   ARC Shape to prevent scratching the rim
   Safe air chuck High-Pressure Pop-Up prevention design
   Pressure ranged from 5 PSI to 150 PSI
   Precision of 1%
   Replaceable AAA Batteries X3. (Alkaline battery)
   Battery level indication
   Four selectable units: PSI, BAR, KGF/CM2, KPA