Description:Motorcross hour meter tachometer and motorcycle tachometer hourmeter has the ability to swap the built-in battery. The internal replaceable battery of the 2 cylinder engine tachometer and scooter tachometer is rated for 9999.9 hours of operation Boat tachometer and engine hour meter, motocross hour meter will display engine rpm and hours functioning. Supported speed range: 15,300 RPM The 4-Stroke Snowmobile Tachometer 2-Stroke Marine Motorcycle ATV Engine Tachometer tracks the life of your vehicle: oil changes, valves, adjustments, spark plugs, and more. The universal induction hour meter can also be used as a mountain bike tachometer, paramotor tachometer, engine hour meter, motorcycle hour meter, inductive tachometer, induction motorcycle tachometer, moped tachometer, karting tachometer, chainsaw tachometer, account petrol engine revs and etc Tractor mower hour meter and motorcycle hour meter are easy to install. The wired hour meter is simple and easy to use, and the digital minute tachometer gets the job done with minimal fuss Inductive waterproof motocross hour meter is suitable for all engines 2-stroke and 4-stroke gasoline engines. The induction rev counter can reset the total hours and maintenance time Note: The data is manual measurement, please allow 1-69cm error, due to differences between light and screen there will be a certain color difference, the specific received in kind prevail.