Usage Tips:Easy to Read: 6 digital display hour meter, easy-to-read, count range: 99999.9 hour, count accuracy: 0.01; With the hourmeter, you can now accurately keep track of the run times to perform oil changes and scheduled maintenanceProvide Data Reference: This quartz hour meter is specially designed for standard industrial timing and supplying data for the reference of maintenance duration for equipmentMulti-use: Mechanical Hour meter can work on any 12V-36V AC/DC device, widely used for Boats, automobiles, motorcycles, ATV, UTV, Go Carts, Snowmobile, Lawn Tractors, Shredders, Pumps, Generators and moreSmall Compact Size: Made of plastic material, novel design, compact size, easy installation convenient to use. If you have any problem about our Boat Hour Gauge Tester, please just free to contact usFunction: Featuring waterproof and steady performance, the hour timer gauge is used for tracking time on machinery such as engineering vehicles, various types of cars and other device where there is a need to record hours operated