Features: 1.Accurate Display: The digital tachometer uses precious timer that can accurately record the running time of equipment or machines, providing reliable data. 2.Easy 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. 3.Compact Size: The tachometer tacho gauge has a compact size, easy to install and not taking up too much space, convenient for use. 4.Durable 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. 5.Wide Application: The RPM tachometer is suitable for RVs, yachts, fishing boats, ships, having a variety of applications, practical and durable. Specification: Item Type: Digital Tachometer Material: ABS, Stainless Steel Working Voltage: DC9-32V Installation Size: Approx. 52mm/2in Display Function: Engine Speed Timing Application: Suitable for RV, Yacht, Fishing Boat, Ship PackageList: 1 x Digital Tachometer