Range 40 - 1850 degrees F. Programmable high temperature alert flashesto alert you of a possible problem. Gauge, thermocouple, and lead wire included. Red, Blue, or Green LED display. Mounts in a 3-1/8" or 3-3/8" hole. Limited lifetime manufacturer's warranty. Made in the USA.  

NOTE: This gauge fits Peterbilt and Kenworth models; 2005 and older. Also fits Freightliner, International, Mack, Western Star, and Volvo models with 2-1/16" gauges on the dash.