Features: 1.Accurate Measurement: Digital display of the water temp oil pressure voltage meter can accurately measure water temperature, voltage and oil pressure to help you understand real time status. 2.Multifunctional Use: This 3 in 1 digital gauge meter integrates water temperature, oil pressure, and voltage monitoring functions to provide real time data on these key parameters at the same time, providing you with comprehensive information. 3.Real Time Display: The 3 in 1 round digital gauge has an instant display function, which can visually display the value of water temperature, oil pressure and voltage, helping you to understand the status in real time. 4.Warning Function: The water temp voltage oil pressure gauge meter has a warning function, and when any parameter is out of the safe range, it will flash a light of warning to remind you to take measures to repair or adjust. 5.Reliable and Durable: The digital gauge meter is made of premium materials, high strength and wear resistant, durable and reliable to ensure long term use. Specification: Item Type: Water Temp Oil Pressure Voltage Meter Color: White Dial Plate Silver Lid Material: ABS, Stainless Steel Working Voltage: DC9-32V Installation Size: Approx. 52mm/2.0in Function Display: Water Temperature, Oil Pressure, Voltage Application: Suitable for RVs, Yachts, Fishing Boats, Ships PackageList: 1 x Water Temp Oil Pressure Voltage Meter