Boost/Vacuum GaugeElite Series Boost/Vacuum GaugeElite Series Boost/Vacuum Gauge; 2-1/16 in.; Black Dial Face; Fluorescent Red Pointer; 7 User Selectable Colors LED Lighting; Electric Digital Stepper Motor; 30 IN HG/30 PSI;SPECIFICATIONS:Dial (Face Color): BlackSize (in.): 2-1/16Lighting Type: LEDBezel Style: Super BezelLighting Color: 7 User Selectable ColorsPointer Color: Fluorescent RedVacuum: 0-30 in. Hg-VacBoost: 30 PSIBezel Color: Brushed AluminumFEATURES:7 User-Selectable Lighting ColorsCustom Programmable Activation And Deactivation PointsSet Custom High And Low Point AlertsOne-Touch Peak Recall Functionality0-5V Output Provides ECU And Data Systems w/Vital InformationIncl. MAP Sensor; T-Fitting; Nylon Tubing; Vacuum FittingsIncl. Wiring harness; Mounting Hardware; Instructions12 And 16 Volt CompatibleDigital Stepper Motor Provides Unmatched AccuracyKeeping track of the vacuum and boost on your forced induction application is critical for extracting the most power safely while keeping your engine in the powerband. AutoMeter's Digital Stepper Motor Boost/Vacuum Gauges provide the most accurate readings available, unparalleled response time and smooth needle movement. Taking advantage of AutoMeter's advanced circuitry, these gauges automatically calibrate on every startup to compensate for altitude, barometric pressure and other atmospheric conditions. Includes an advanced MAP sensor and wiring harness for ease of installation. Designed for gasoline engines, a boost only version is also available for diesel or extreme boost applications.Next generation instruments from Auto Meter combine our NASCAR proven racing movements with our award winning LED lighting technology to offer you the ultimate in Accuracy, Durability, Visibility and Styling.