Watching your precise exhaust temperature can mean the difference between maximum performance and catastrophic engine damage. On high output diesel or forced induction applications, there are few gauges that are more critical. AutoMeter?s Digital Stepper Motor display combined with our high definition LED backlighting make viewing your exact exhaust temperature effortless. The included Type K thermocouple assures maximum accuracy and minimum response time. There is, quite simply, not a better measurement of your exact exhaust gas temperature available anywhere, for any price. A variety of included installation options and direct plug in harness simplify installation on any application. 7 color user-selectable background illuminations (red, blue, green, white, yellow, orange, and violet) with adjustable brightness for day and night - with independent dimming of dial and pointer. SPEK-PRO