2 52mm Car Turbo Boost Pressure Gauge Meter Digital LED Display w Sensor 30PSISpecification Model Number B18331Product Name 2 52mm Boost GaugeMaterial AluminumHousing Color BlackFace Color BlackVoltage 12VDiameter Size 2 52mm Unit PSIReading range 30 30PSIStyle Digital LED ReadoutFeatures 2 52mm diameter gauge Black dial face when ignition is off 10 colors backlights can be selected and it can memory the setting in the both daytime and night mode Brightness can be selected in 6 different levels and it can memory the setting in the both daytime and night mode 3 buzzer types can be selected 4 buzzer levels can be selected 3 different open ceremonies can be selected A warning value arbitrary can be set and the warning buzzer can be selected from three variations or turn off 3 different types indicator movement can be selected Data obtained during driving peak value and warning value can be stored up and the peak value can be reviewed and cleared Common Button Operation 1 There is a button in the backside of the gauge the remote button is included They are used to review and clear peak value change the colors adjust the brightness choose the buzzer set the warning etc The remote button is same function as the button in the gauge 2 Short press to switch between different functions settings long press until buzzer sounds then enter the setting mode It will return to normal status when the button is released after 5 seconds Power Wire Connecti