Features:Digital display with black face and blue LED.Used to measure the water temperature of automobile.Measurement range is 40~120 Celsius Degree.Red warning light.High accuracy and easy operation.Specifications:Color: SilverLCD size: 52mm / 2inUnit: Celsius DegreeMeasurement range: 40~120 Celsius DegreeWarning point: 100 Celsius DegreePower: 12V DC， Max. 0.3ASensor mounting thread: NPT 1/ 8 "Water temperature meter size: 5.7 * 5.5cm / 2.2 * 2.2in (diameter * height)Water temperature meter weight: 72g / 2.5ozPackage size: 17 * 12 * 7.8cm / 6.7 * 4.7 * 3.1inPackage weight: 215g / 7.6ozPackage including:1 * Water Temperature Meter1 * Water Temperature Sensor