Has2-in diameter dial face with black finishVolts range from 8-18 volts and water temperature from130-280 degrees F or 60-140 degrees CBack-lit illumination for night useCan be connected to dash light for dimmer controlIncludes adaptors for installation on most popular foreign and domestic vehiclesThis compact triple gauge kit comes with a 2-in diameter dial face. It has a bourdon tube meter movement for accuracy and durability and has a back-lit illumination for night viewing. It has a volt range from 8 to 18-volts and a water temperature range from 130 to 280-degrees Fahrenheit. It can also be connected to the dash light for dimmer control. It includes adaptors for installation on most popular vehicles, both foreign and domestic and it comes with complete illustrated instructions in English, French, and Spanish.