DescriptionCondition:100% New.Power:DC(10-15V) 12V Professional.Diameter:2"/52mm.Note:Easy Installation With Users Manual In English,Professional installation is Highly Recommended.Unit:Unit:0~-30 Inch,0~30 PsiUniversal fit for: most of cars or motorsPackage include:1 x Boost Gauge1 X PVC Hose(6 feet)1 X T-Fitting1 x Users Manual In English