Application:Fit For 12Volt,4/6/8 cylinder and gasoline carDescription: Product name: Water Temp Gauges (40-140Degrees celsius) Diameter:2''/52mm Current:IGN MAX 0.3A ILM 0.3A Power:DC(10-15V) 12V Professional color:Clear and bright LED Display with 7 colors (as picture shown) Material:ABS+METAL 1.Comes with installation manual. 2.Clear and bright LED Display with 7 colors 3.The button on the screen can switch the color of light you want. 4.It is designed as analog/digital dual display. 5.High speed stepper motor with a quick response Note: 1.The gauge wire some time will be diifferent color as installation show,Hop you could understand 2.We provide clear pictures ,measurement where possible.Please check as much as possible to make sure the item the one that you need. 3.The actual item maybe has slight color distinct with listing image due to different computer screens ,thanks for your understanding. 4.The size of item is manual measurement,please allow 2mm difference. 5.(IMPORTANT) No Instructions Included.Professional Installation Is Highly Recommended