... 7.6cm,if you don't like it,we can change it in Oval, rectangular,or reduce the size.And if ... you think the light is good,we can change the color or add the light beads.2.The controller is ... is 4cm,if you don't like it,we can change the shape,and it has 5 buttons,if you want ... add button,we can do it too,and also the color.The install picture The usb connect car face edit interface ...