Feature: 1. Easy to Read and Multifunctional: This voltage oil pressure water temp meter greatly improves the efficiency of data reading. Users no longer need to switch between different gauges, just one glance to understand the voltage, oil pressure, and water temperature data, making usage more convenient. 2. IP67 Waterproof and Anti Fog: Made of 316L stainless steel bezel and anti fog curved glass cover material, with high transparency curved PC, this voltage oil pressure water temp gauge features IP67 waterproof and dust proof grade, ideal for marine and harsh environments. 3. Wide Working Voltage Design: With a wide voltage range of 9 to 32V, up to 36V, this water temp oil pressure voltmeter features low power consumption, long lifespan, short startup time. 4. Secure Connection and Versatile: The water temp oil pressure voltmeter gauge adopts the design of clip, and the connection is firm, so that the gauge can work even under strong vibration,suitable for ships, fishing boats, yachts, outboards and other water vehicles. 5. Red Backlight: The digital display gauge features red backlight for nighttime sailing, high indicating accuracy, great repeatability, high universality, reliability, and stability, making it simple and easy to use. Specification: Item Type: Digital Voltage Oil Pressure Water Temp Gauge Material: Stainless Steel 316L Bezel, Anti Fog Glass Protection Rating: IP67, Fully Waterproof; Excellent Anti Fog Function Display: Voltage, Oil Pressure, Water Temperature 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: Oil Pressure Signal Input 5. Purple Wire: Water Temperature Signal Input. Package List: 1 x Gauge 1 x Wiring 1 x Mounting Base 2 x Screws 1 x Manual Note: 1. The product comes with instructions, please carefully read before installation. 2. Ensure there is 70mm space behind the hole after drilling.