Features: 1.3 in 1 Design: This 3 in 1 gauge integrates the monitoring functions of water temperature, water level, and voltage, providing real time data for these key parameters and giving you comprehensive information. 2.Real Time Display: The gauge has an instant display function, allowing you to intuitively see the values of water temperature and other specific information, helping you stay informed about your vehicle's condition. 3.Warning Function: The gauge comes with a warning function. When any of the parameters exceeds the safe range, it will flash a warning light, reminding you to take action for repair or adjustment. 4.High Accuracy: Upgraded and professionally designed, the gauge provides accurate and reliable water temperature and voltage data, ensuring accurate monitoring of your model's status. 5.Easy Installation: The is easy to install, requiring no complex operations, and is suitable for various models, such as RVs, yachts, fishing boats, ships, making it convenient and quick. Specification: Item Type: Water Temperature Gauge Material: ABS, stainless steel Working Voltage: DC9-32V Installation Size: Approx. 52mm/2.04in Function Display: Water temperature, water level, voltage Application: For RVs, yachts, fishing boats, ships