Tachometer Gauge, 85mm/3.35 Inch Tachometer 0-4000 RPM IP67 Waterproof Amber White Backlight for 1-8 Cylinder Petrol Engines

Features: 1. Specification: The 85mm tachometer features a measuring range of 0-4000 RPM, an LCD screen, a black dial, a silver 316L stainless steel bezel, a highly transparent lens, and a bright red pointer. 2. Accurate Display: Adopting a stepper motor drive pointer, it accurately displays engine speed with high precision and relatively simple operation and control. 3. High Performance: IP67 waterproof and dustproof, corrosion-resistant, durable for use even in acidic, alkaline, and humid environments, and the curved glass provides good anti-fog protection. 4. Low Power Consumption: Ultra-wide operating voltage range of 9-32V and a maximum of 36V (≤ 1 minute). Comes with a harness connector for a better and more secure connection, ensuring normal operation even under strong vibrations. 5. Wide application: for generator sets, ships, construction machinery, agricultural machinery, automotive modification, etc., and for cars, trucks, boats, 12/24V diesel engines, 1-8 cylinder gasoline engines. Specifications: Item Type: Tachometer Material: ABS Installation Diameter: Approx. 85 mm / 3.35 inches Indication Range: 0-4000 rpm Working Voltage: 9-32V (12V/24V) Backlight Color: White or Amber Function: Current/Speed ​​and Time; Fast response stepper motor, adjustable warning and buzzer, with everything needed for installation. Operating mode: LCD screen, stepper motor. Working temperature: -30℃ to +75℃. Storage temperature: -40℃ to +85℃. Protection level: IP67. LCD: Odometer and Trip/Hour Meter, sub-rotary gasoline engine. How to use: 1. Cut an 85mm diameter hole in the panel (your cabin panel and dashboard), insert the instrument into the hole. The panel corresponding to the dashboard is marked with a boss; make a small notch at this position to ensure there is at least 85mm (3 3/8 inches). 2. After installing the instrument in the panel, screw it in with the retaining ring. 3. Connect the wires; the instrument casing is directly connected to a 12/24V power supply. 4. Insert the wire harness and secure it firmly to the table. Wiring instructions: Red wire to positive, black to negative, yellow backlight to yellow, white backlight to white, remaining wire to the signal. Package list: 1 x Tachometer, 1 x Power cord, 1 x Manual