This hour meter suitable for Outdoor Power Equipment,Vehicles,Generators,Agriculture,Boats,Construction Machinery etc... such as:Lawn Mower Garden Tractor Riding mower Leaf Blower Pressure washer chainsaw Snowblower Brush Mower Line Trimmer string trimmer Pressure Washer Portable inverter generator Motorcycle Dirtbike ATV UTV Scooter Paramotor Harley dual-sport bike Golf cart Outboard Jetski Pontoon boat Mercury Raceboat Hovercraft etc...