Waterproof 52mm Sewage Water Level Gauge Digital Voltmeter Black Dial Red Backlight for Marine RV 9 32V Features： 1、Waterproof and Fog Resistant: The sewage water level voltage gauge features IP67 waterproof and fog resistant designs. Stainless steel 316L bezel and high transparency PC and curved glass structure provide superior performance. 2、Red Backlight: The sewage water level voltmeter features red backlight for viewing at night, with high accuracy, perfect repeatability, strong versatility, reliable stability, simple and easy to use. 3、Multifunctional Design: The sewage water level voltage meter allows you to easily manage voltage, sewage, and water level in one gauge, saving space and reduces the number of devices needed, perfect for limited space. 4、Enhanced Efficiency: This multifunctional gauge meter greatly improves the efficiency of data reading. Users do not need to switch between different meters, and only need to understand the voltage, sewage and water level at a glance, making usage more convenient. 5、Wide Voltage Range: Designed with a wide working voltage range of 9 to 32VDC, the digital gauge ensures low power consumption, long lifespan, high accuracy, and quick startup time, suitable for various marine vehicles. 6、Secure Connection: The digital voltmeter is designed with snap on connections for secure and stable wiring, allowing the gauge to function even under strong vibrations. Ideal for boats, fishing boats, yachts, and outboard engines. Specification： Item Type: Digital Sewage Water Level Voltage Gauge Material: Stainless Steel 316L Bezel, Anti Fog Glass Protection Rating: IP67, Fully Waterproof; Excellent Anti Fog Function Display: Voltage, Sewage, Water Level Backlight Color: Red (default), Green, Blue, White, Yellow, Yellow Green, Orange, Purple (color can be switched) Operating Voltage: 9-32VDC 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: Sewage 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 Screws 1 x Manual