Feature: 1. Accurate Measurement: Digital display of the water temp speed oil pressure meter can accurately measure water temperature, speed 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 speed 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 speed, helping you to understand the status in real time. 4. Warning Function: The water temp speed 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 Speed Oil Pressure Meter Material: ABS, Stainless Steel Working Voltage: DC9-32V Installation Size: Approx. 52mm/2.0in Function Display: Water Temperature, Oil Pressure, Speed Application: Suitable for RVs, Yachts, Fishing Boats, Ships. Package List: 1 x Water Temp Speed Oil Pressure Meter