Easy to Read: 6-digit digital display hour meter with a count range of 99999.9 hours and count accuracy of 0.01. Accurately tracks run times for oil changes and scheduled maintenance. Provide Data Reference: Quartz hour meter designed for standard industrial timing and providing data reference for equipment maintenance duration. Multi-use: Mechanical hour meter compatible with any 12V-36V AC/DC device. Suitable for boats, automobiles, motorcycles, ATVs, UTVs, go-carts, snowmobiles, lawn tractors, shredders, pumps, generators, and more. Small Compact Size: Made of high-quality plastic material with a compact design for easy installation and convenient use. Function: Waterproof design with steady performance. Hour timer gauge used for tracking operating time on machinery such as engineering vehicles, various vehicles, and other equipment requiring hour recording.