15in1 Gauge: Accurately indicate the engine speed of 0?3000RPM, the water temperature of the engine water tank is 40?120 (100?250F), the remaining fuel in the fuel tank is E?1/2?F, the fuel pressure in the fuel tank is 0?145PSI (0?10Bar), and the voltage is 8?32V. 2IP67 Waterproof and Dustproof: Made of 316L stainless steel front cover ring, fogproof curved glass cover and industrial electronic components, which can withstand mechanical shock and vibration without rusting. It can be used normally even in acid, alkali and humid environments, and is very suitable for sea surface and various harsh environments. 3Timely Alarm Function: The panel is equipped with ignition start indicator, lighting switch, engine stop switch, Buzzer switch, water temperature alarm, low oil pressure alarm, low voltage alarm, and battery charging alarm. You can install this instrument panel in your yacht central control to know the status of the engine at any time through the data. 4Wide Voltage Design: Long term working voltage 9?32V, low power consumption design, 52mm meter working current 60mm, 85mm meter working current 100mA. The harness connector is equipped with clips, which can ensure that the connection between the instrument and the harness is firm, that is, it can still work reliably in situations with strong vibration. 5Wide Application: The central control 5 gauge panel can be used in engines, generator sets, Rv vehicles, yachts, fishing boats, ships, engineering machinery, agricultural machinery, modified vehicles and other fields.