Waterproof 2" Quartz Round Hour Meter Gauge for Marine Boat Engine Automotive Motorcycle ATV Snowmobile John Deere Fork Lift CAT Tractor Generator Engine MowerThe quartz hour meter is specially designed for standard industrial timing and supplying data for the reference of maintenance duration for precision equipment. Featuring a waterproof design and steady performance, the hour meter gauge is widely used for tracking engine hours. This hour meter will allow you to keep track of engine hours so you can monitor service intervals. You can mount this hour meter right on your dash or in an inconspicuous space.