52mm Oil Pressure Water Level Voltmeter Gauge Waterproof Red Backlight Digital Display for Yacht Boat RV 9 32V Features： 1、Red Backlight: The voltage oil pressure water level meter features a digital display with red backlight for easy viewing at night, high display accuracy, great repeatability, universal applicability, reliable stability, and simple use. 2、Wide Voltage Range: With a wide operating voltage range of 9 to 32VDC, this oil pressure water level voltmeter gauge offers low power consumption, long life, high accuracy, short startup time. 3、IP67 Waterproof And Anti Fog: Made of 316L stainless steel bezel and anti fog glass, this voltage oil pressure water level gauge can withstand harsh weather and marine environment, with anti fog function and IP67 waterproof rating. 4、Secure Connection and Versatile: The wiring of this oil pressure water level voltage meter gauge is designed with a buckle, and the connection is firm, so that it can work even under strong vibration, suitable for marine, boat, fishing boats, yachts, outboard engines, trucks, motorcycles, and more. 5、Multifunctional and Efficient Use: The 3 in 1 design means you only need this digital gauge to get voltage, oil pressure, and water level information, reducing the number of devices and space utilization, users do not need to switch between different meters, easy to read and understand. Specification： Item Type: Voltage Oil Pressure Water Level Gauge Material: Stainless Steel 316L Bezel, Anti Fog Glass Protection Rating: IP67, Fully Waterproof; Excellent Anti Fog Function Backlight Color: Red (default), Green, Blue, White, Yellow, Yellow Green, Orange, Purple (color can be switched) Operating Current: ≤60mA Operating Temperature: -30℃ to +70℃ Storage Temperature: -40℃ to +85℃ Protection Rating: IP67, can work underwater at 1m / 3.3ft depth Fitment: Suitable for Boats, Yachts, RVs, Trucks, Motorcycles Wiring: 1. Red Wire: +9-32VDC 2. Orange Wire: Backlight 3. Blue Wire: Power Negative (-) 4. White Wire: Oil Pressure Gauge Signal Input 5. Purple Wire: Water Level Gauge Signal Input Package List： 1 x Gauge 1 x Wiring 1 x Mounting Base 2 x Nuts 1 x Instruction Manual