1Premium Material: Boat instrument panel is made of 316L stainless steel front cover bezel, anti fog curved glass cover and industrial grade electronic components and structural parts, which can withstand mechanical shock and vibration without corrosion or rust. 2IP67 Waterproof and Dustproof: Boat instrument panel has IP67 waterproof and dustproof rating, which can work normally under ?30~+75, ideal for marine and various harsh environments. 3Superior Performance: Boat instrument panel adopts stepper motor to drive the pointer, the pointer display has the characteristics of high accuracy, good repeatability, high versatility, reliable and stable, easy to use, etc. 4Alarm Function: Rv switch panel can display engine speed from 0?4000RPM and 999999.9H, with alarm, Engines Stop, Start On Off, low oil pressure alarm, water temperature alarm, backlight button, and preheat button. 5Save Space: This panel can be installed in the center of your Rv or construction vehicle with a unit area of 210x160mm / 8.27x6.30in, which is a great space saver. 6Low Power: Rv switch panel is designed with ultra wide working voltage, long term working voltage: 9?32V, up to 36V (1 minute), working current 100mA, ultra low power consumption. 7Firm Connection: Rv switch panel's back harness connector with clips ensures a firm connection between the instrument and the harness, so that it can work reliably even in strong vibration situations.