1Accurate Display: The digital tachometer uses precious timer that can accurately record the running time of equipment or machines, providing reliable data. 2Easy to Read: Equipped with a clear digital display, can visually display the cumulative number of operating hours, easy for users to quickly read and understand. 3Compact Size: The tachometer tacho gauge has a compact size, easy to install and not taking up too much space, convenient for use. 4Durable Material: The digital tacho gauge is made of durable and reliable material, shock resistant and stable, high strength and wear resistant, having long service time. 5Wide Application: The Rpm tachometer is suitable for RVs, yachts, fishing boats, ships, having a variety of applications, practical and durable.