Item Type: Water Temperature, Oil Pressure and Voltage Meter Color: White Disc Silver Cover Material: ABS, Stainless Steel Operating Voltage: DC9-32V Installation Size: Approx. 52mm/2,0inch Function Display: Water Temperature, Oil Pressure, Voltage Application: Suitable for Camping Vehicles, Yachts, Fishing Boats, Ships 1. Accurate measurement: The digital display of water temperature, oil pressure, and voltmeter allows you to accurately measure water temperature, voltage, and oil pressure, allowing you to understand the current state of your device. 2. Multifunctional Application: This 3-in-1 digital meter integrates water temperature, oil pressure, and voltage monitoring functions to simultaneously provide real-time data on these key parameters, providing comprehensive information. 3. Real-time display: The 3-inch round digital indicator has an instant display function that can visually display the value of water temperature, oil pressure, and voltage, helping you understand the status in real-time. 4. Warning function: The water temperature, voltage and oil pressure meter has a warning function. When any parameter is outside the safe range, a warning light will come on to remind you to take corrective or regulatory action. 5. Reliable and durable: The digital measuring meter is made of the highest quality materials, it is durable and wear-resistant, durable and reliable, which guarantees long-term use. 1 x Water and oil pressure voltage and temperature meter