Features: Suitable for various water temperature sensors, displays water temperature for tanks. Utilizes moving-magnet principle to drive the needle, offering good durability and anti-vibration performance. LED display for real-time oil level monitoring. Front cover made of 316 stainless steel, suitable for long-term use in acidic, alkaline, or humid environments. Well-designed waterproof structure, providing waterproof and dustproof protection. Package Includes: 1 x Water Temperature Gauge Specifications: Material: Metal Diameter: Approx. 5.2 cm / 2.04 inches Color: Black Operating Voltage: 12V Temperature Range: 40-120°C / 100-250°F Applicable Models: Construction machinery, mining machinery, generator sets, automobiles Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown. Thank you for your understanding.