Features 3 in 1 Design: This gauge integrates monitoring functions for water temperature, water level, and voltage, providing real-time data for these key parameters and delivering comprehensive information. Real-Time Display: The gauge features an instant display function, allowing you to clearly view water temperature and other key values, helping you monitor your vehicle's condition. Warning Function: The gauge includes a warning indicator. If any parameter exceeds the safe range, a warning light will flash to alert you to take corrective action. High Accuracy: Professionally designed for reliable performance, the gauge delivers accurate water temperature and voltage readings for consistent monitoring. Easy Installation: Designed for simple installation without complex procedures, suitable for various applications including RVs, yachts, fishing boats, and ships. Specification Item Type: Water Temperature Gauge Material: ABS, Stainless Steel Working Voltage: DC 9-32V Installation Size: Approx. 52mm / 2.04in Function Display: Water Temperature, Water Level, Voltage Application: Suitable for RVs, yachts, fishing boats, and ships Package List 1 x Water Temperature Gauge