Feature:1. Universal Type: 2in1 voltmeter and water temperature meter is suitable for automobiles, RVs, ships, yachts, motorcycles.2. Advantage: Intuitive display parameters, high accuracy, low power consumption, good stability, strong anti shake ability.3. Advanced Technology: Adopting advanced single chip technology, the safety parameters of the car engine are directly displayed on the LCD screen.4. Good Measuring Device: With wide range of applications, long service life and comprehensive protection functions, ideal choice for measuring the performance of various motors.5. Quality Material: Car voltage gauge is made of premium ABS and brass material, rustproof, sturdy and durable, long service life.Specification:Item Type: Water Temperature MeterMaterial: ABS and BrassWorking Voltage: DC9-36VWorking Environment Temperature: -40-50Working Environment Humidity: 45%-75%RHTest Parameters and Alarm Points:Voltage Test Range: 9-39VMeasurement Accuracy: 0.1%Alarm Voltage: Lower Than 10V, 16-20V, Higher Than 31V Intermittent AlarmWater Temperature Measurement Range: -10-120Measurement Accuracy: 0.1% Intermittent Alarm Above 95Fitment: Universal for Cars, RVs, Ships, Yachts, Motorcycles.Package List:1 x Volt Water Temperature Meter1 x Sensor2 x Screw1 x Sticker