This compact triple gauge kit comes with a 1 1/2-in diameter dial face and a 270-degree sweep. It has a bourdon tube meter movement for accuracy and durability and has back-lit illumination for night viewing. It's volt range runs from 8 to 18-volts, and a water temperature range is from 130 to 280-degrees Fahrenheit. It can be connected to the dash light for dimmer control and includes adaptors for installation on most popular vehicles, both foreign and domestic. It comes with a complete illustrated instructions in English, French, and Spanish.