While mileage is typically an effective measurement of maintenance intervals on an engine, looking at the actual run time is the best way to determine when critical services need to be performed. AutoMeter's Electronic Hour Meter provides a highly accurate measurement of your engine hours and allows you to make the best possible decisions as to when a service needs to be performed for maximum service life and return on investment. This gauge does not have illumination.Features: 8-32 volt compatible, well-suited with nearly every street car or race car electrical system Gauge kit includes mounting hardware and detailed instructions for installation Registers up to 99,999 hours Product Description: 2-1/16" Hourmeter, Traditional ChromePit Stop USA offers Auto Meter Traditional Chrome Electric Hourmeter Gauge - 2-1/16 in. 2587 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Hourmeters.