AEM's digital temperature gauge includes a 0-5v analog output for use with data loggers and virtually any engine management system, such as the Infinity ECU, Series 2 EMS or AQ-1 Data Logger, making it the perfect solution for users who need to monitor and data log temperatures at high RPM on tuned engines. Each AEM temperature gauge includes interchangeable silver and black bezels and black and white faceplates to personalize the look of your gauge.