AEM’s digital display gauge delivers unsurpassed accuracy and visibility. Each gauge includes 24 color-coded (Red, Green, Yellow) LED lights that change from green to yellow to red for immediate reference to the measured parameter, and an integrated thee-digit display that reveals real-time operating conditions. AEM’s digital display gauges feature a standard 52mm gauge housing that fits in most gauge pods and can be remotely mounted virtually anywhere. Each gauge includes interchangeable silver and black bezels and black and white faceplates to personalize the look of your gauge—it’s like having four gauge designs in one! Choose From: *Voltmeter *Oil Pressure *Oil Temperature *Water Temperature *Transmission Temperature *Fuel Pressure *Boost * Includes easy-to-install harness and sensor * Complete stand alone gauge requires no additional sensors or programs to operate * Ideal for both fuel injected and carbureted motors * LED displays provide precise reference to critical operating conditions and alert driver of potentially damaging operating conditions * Includes 0-5V analog output for routing to engine management system or data logger * Easy to read faceplates/displays are designed to complement existing AEM gauge styles * Included bezels and face plates allow you to personalize the look of your gauge PartNumber : aem30-4400 Description : Digital Display Voltmeter Gauge; 4-In-1 Range : 8~18V Gauges & Pods::Gauges