Features: 8000RPM Tachometer Gauge: This 85mm tachometer accurately measures engine RPMs up to 8000RPM, providing real-time data for gasolines and diesels engines, ensuring optimals performance monitoring. LCD Display: Features a clear LCD hour meter, precisely tracking engine operating time, perfect for scheduling maintenance and extending the lifespan of your marine boat or motorcycle engine; a reliable tach hour meter tachometer. Designed for versatility: This digital rpms gauge motorcycle instrument is suitable for a wide range of applications, including marine boats, motorcycles, and other vehicles with gasolines or diesels engines. Material: Crafted with sturdy materials, the 85mm tachometer withstands harsh marine and automotive environments, ensuring long-lasting reliability and precise readings under various conditions. Easy Installation: Easy to install with straightforward wiring, this tachometer seamlessly integrates into existing systems, offering a user-friendly solution for monitoring engine performance on boats, motorcycles and more. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Digital display range: 0-800ORPM Working voltage: 12V/24V Installation size: 85mm (3-3/8") Installation method: threaded installation, with coils Input signal: pulses signal Protection level: IP67 Material: front cover is made of 316L Application: general use in vehicles and ships Package List: 1x 85mm Waterproof Tachometer Tacho Gauge