Inductive Tachometer Hour Meter has the built in ability to change the battery, replaceable internal battery rated for 35,000 hour of operation.
Small Engine Tachometer and Engine Hour Meter, it will show both engine RPM and hours of operation, read up to 99,999 RPM.
Marine ATV Motorcycle Snowmobile Hour Meter track the service life of your vehicle-Oil Changes, Valve, Adjustments, Spark Plugs, etc.
Tiny tach Tachometer and Engine Hour Meter is Easy Installation a simple and easy to use product that gets the job done with minimal complication
Waterproof Inductive Hour Meter Suitable for all 2 Stroke & 4 Stroke gasoline engines. Can reset total hours and maintenance time