Feature: 1. Function: With oil pressure, water temperature, tachometer functions, has ultra wide DC 9‑32V working voltage design, low power consumption, and short start up time. 2. High Precision: The tachometer adopts stepper motor drive pointer to accurately display the engine speed range from 0‑7000RPM, and the cumulative hours are 0.0‑99999.9H. 3. Material: Made of stainless steel front cover and anti fog glass material, can be used for a long time even in acid, alkali and humid environments, anti fog, waterproof and dustproof 4. Red Backlight: With red backlight for night driving, it has the characteristics of high indication accuracy, wide application, reliability and stability, simple and easy to use. 5. Installation: Cut an 85mm hole in the panel and allow a clearance of 55mm behind the panel to fit the gauge, can be used in RVs, yachts, fishing boats, ships, motorcycles, car modification. Specification: Item Type: Tachometer GaugeMaterial: Stainless steel bezel, anti fog glass, PC.Color: Black Tachometer Display Range: 0-7000RPM Engine Cumulative Hours: 0.0-99999.9H Backlight Color: Red Working Voltage: DC 9-32V Installation Size: Approx. 85mm/3.35in Function: Water temperature, oil pressure, speedFitment: Suitable for RVs, yachts, fishing boats, ships, motorcycles, car modification Package List: 1 x Tachometer Gauge1 x Manual Note: