Description:Features: ABS material ensures high sensitivity. Be used to measure the pressure of automobile turbo. Numbers and pointer clearly show the value of Pressure / Vacuum. Measurement range is 0~30in.Hg / 0~30PSI. Bright LED light for easy reading in the dark. Comes with detailed installation instruction for easy installation. The 2inch/52mm diameter Turbo Boost Gauge is suitable for universal 12V car. Note: easy installation with users manual in english, professional installation is highly recommended. Suitable for all kinds of gasoline car, modified vehicles *Smoked dial face when ignition is off. Specifications: Material: ABS Color: as shown Vacuum Scale: 0-30 inches of HG Pressure Scale: 0-30 PSI Mount Directly Hole Diameter: 52mm/2 inch(Approx.) Vacuum Pipe Length: 1.7m/5.5 inch(Approx.) Bracket Dimension: 8.5*11*7.7cm(Approx.) Package Included: 1 PC x Turbo Boost Gauge 1 PC x Mounting Bracket 1 Set x Mounting Screw 1 PC x Pipe 1 PC x Pattern Manual 1 PC x Connector Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.