Geloo 85MM Marine Tachometer Gauge 3000RPM Boat RPM Tachometer Outboard Waterproof Tacho Meter 0-3000 RPM for Diesel Engine Tachometer Car Truck 12v/24v with LCD Hourmeter Red Backlight

Product description <img alt="logo3" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/55b4a3f1-c803-4847-afa4-02c801c24f3d.__CR0,9,600,180_PT0_ SX600_V1___.jpg"/> <img alt="Tachometer Gauge" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/993c4346-27d6-4ca0-975a-2e7849f82d1d.__CR0,0,970,600_PT0_ SX970_V1___.jpg"/> Tachometer Gauge 0-3000RPM <img alt="Tachometer Gauge" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/5fbfec5b-5bb4-42c9-abd1-7f19437ecd06.__CR0,0,350,175_PT0_ SX350_V1___.jpg"/> Easy installation To open a hole(Dia:85-87mm/3.35"-3.43") of the panel, make sure there is a space with(70mm backyard of panel/2.76") as well.

<img alt="Tachometer Gauge" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/753f96d4-3662-4908-8d35-1dc9d1fb2f58.__CR0,0,300,400_PT0_ SX300_V1___.jpg"/> Tacho Meter 85mm Tacho Meter Gauge Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration, 316 Stainless steel bezel with curved glass.Boat Tachometer Protection grade is IP67, the whole body is completely waterproof.Tachometer Indicating Range: 0~3000 RPM；RPM Tachometer Fixing dimension: 85 mm (3-3/8")