Features:- Used to measure the pressure of automobile turbo.- Numbers and pointer clearly show the pressure.- Attractive silver gauge faces with red pointers and blue numbers.- Measurement range is 0~30in.Hg / 0~20PSI.- High sensitivity and easy operation.Color: Silver + grayUnit: in.Hg / PSIMeasurement Range: 0~30in.Hg / 0~20PSIPower: 12V DC， Max. 0.3APVC Hose Length: 172cmTurbo Boost Gauge Diameter: 2"/52mm Turbo Boost Gauge Weight: 73gPackage Weight: 185gPackage Size: 165 x 124 x 75mmWhat's in the box:1 x Boost Gauge1 x PVC Hose1 x T-Fitting1 x User Manual