Range is 0 - 150 PSI. Designed to measure air bag load pressure in PSI. Connects to the air line from your air bags. One built-in high-accuracy PSI sensor. Display updates every second. Red or Blue LED display. Mounts in a standard 2-1/16-inch hole. Limited lifetime manufacturer's warranty. Made in the USA. https://teltek.us/product-instructions/ NOTE: This gauge fits Peterbilt and Kenworth models 2005 and older. It also fits Freightliner, International, Mack, Western Star, and Volvo models with 2-1/16-inch gauges on the dash.
