Features 1、With a diameter of 52mm/2in, it is widely used and suitable for all 12V cars. 2、It can monitor the car's compression and boost levels, ranging from 0‑30in.Hg / 0‑30PSI , which can prevent turbine overshoots from causing other potential engine problems. 3、The pointer indicator has a luminous red pointer and a blue LED display for clearer viewing. 4、Provide 7 kinds of pure color settings, you can choose according to your own preferences, makes it easy to drive at night. 5、Simple installation, with boost sensor, 1.94-foot power harness and installation instructions, all of which make the installation process quick and easy. Specifications: Item Type: Turbo Boost Gauge Material: Plastic Fitment: Universal for all 12V Cars. Boost Levels: 0-30 IN.HG, 0-30PSI Diameter: Approx. 2in/52mm Current: IGN MAXIMUM 0.3A ILM 0.3A Power: DC(10-15V) 12V Professional Wiring: Red-positive Black-negative Green-connect boost sensor Package List 1 x Turbo Boost Gauge 1 x Power Cord 1 x Boost Sensor 1 x T Adapter 1 x Connector 1 x Hose 1 x Manual