Model : 641109 Product name : boost PSI gauge Material : metal &plastic Housing color : gray Voltage : 12V Length : 47.5mm/1.87in Diameter : 52mm/2in Cable length : 51cm/20.08in The distance of two bolt : 45mm/1.77in Placement on vehicle : front Quantity : 1pc Yellow : positive Black : negative Feature : Racing look enhance the characteristic to your car.LED super bright display.Comes with installation manual. Fitment : Universal Car 2"/52mm diameter boost PSI gauge (The compatibility just for reference .Please make sure the item fit for your car before purchase.) Note : 1.We provide clear pictures ,measurement where possible.Please check as much as possible to make sure the item the one that you need. 2.The actual item maybe has slight color distinct with listing image due to different computer screens ,thanks for your understanding. 3.The size of item is manual measurement,please allow 0.5-1inch difference.(1inch=2.54cm) 4.Even installation manual included .Professional Installation Is Highly Recommended！ Package included : 1 x boost PSI gauge 1 x PVC Hose 1 x T-Fitting