Material:Stainless steel（Copper core）

• Item Height:2.3cm
  

• Item Width:1cm

• Pressure Range: 2.0Bar
  fit on any standard size existing tire valve stem
  Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires

   

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  Color Indication:
  Greenshows that tire pressure is normal.
  Yellowshows that the pressure is down about 5 pounds.
  Redalerts you that the pressure is down by at least 10 pounds.