Geloo 85MM Boat RPM Tachometer Gauge Waterproof Outboard Tachometer Gauge 0-8000RPM Tacho Meter for Car Truck Marine Diesel Gasoline Engine RPM Tacho Gauge 9-32V 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/> Tachometer Gauge 0-8000RPM <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/6de264a7-527f-4a7d-866a-06b7aa04f89b.__CR0,0,300,400_PT0_SX300_V1___.jpg/> Tacho Meter 85mm Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration, 316 Stainless steel bezel with curved glass.

Tachometer Indicating Range: 0~8000 RPM；Working Voltage: 9~32V；Blacklight Color: Red.