Keep track of your time on the road with this hour meter gauge. Use the resettable bottom display to remind you of an upcoming oil change or to simply time a trip. The total hours on the truck are displayed on the top display. (This cannot be reset). One display keeps track of the total hours on the truck (cannot be reset). Black LCD display, not backlit. Mounts in a standard 2-1/16" hole. Limited lifetime manufacturer's warranty. Made in the USA.