DunkTeam 85mm Boat RPM Tachometer Gauge 8000RPM with Red LCD Backlight for Marine Car Motorcycle 9-32V Waterproof

[ How to connect wires ? ] Connect to +9-32VDC; 2- Connect to Ground(-); 3- Connect to Signal Input; 4- Not Connected; 5- Not Connected; 6- Blacklight(+9-32VDC).Power cord is not included.

[ How to install it ? ] Open a hole in the panel (Dimension -85mm / 3 3/8", Depth-2-3/4") , Then put the gauge in the hole and screw down.

[ Work Signal ] Tachometer sometimes cannot get signal by ignition system. Please make sure you have a speed sensor on your motorcycle. Note: If your speed sensor is installed on the flying wheel panel, the RPM ratio is equal to the number of gears of the engine;

[ Widely used ] Suitable for all cars, tractors, vans, vessels, boats, yachts, etc. IP67 Waterproof.

[ Pay Attention] Power cord is not included.