Digital Engine RPM Tachometer Hour Meter Gauge. For 2 and 4 Engines. Features: Great for Cart Engines operating in the 25,000 + RPM range. Work on any 2 or 4 gasoline powered engine. With Reset to 0 Hours function, the hour meter reads up to 10000 hours and then resets to 0 & The tachometer can read up to 99,999 RPM. Programmable Maintenance hour setting with service Icon, a reminder when to change oil or other service. Splash Proof & Easy Installation Specifications: Material:ABS Size:Approx.46x57mm/1.82''x2.24'' Package Includes: 1Set Engine Tachometer note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.