NO Programming needed what so ever! Works like a real turn signal out of the box. No double toggling or anything. Measuring just 1 Inch thick. This also now includes 2 buttons (meant for High Beams and Wipers, But you map it to whatever you want in the game). Dimmensions (housing)- 1 inch thick, 3  5/8 inches tall,  2 inches wide. Handle is 3 Inches long (standard handle). See pictures for dimmensions on the large wheel handle option. Includes strong double sided foam adhesive to mount on wheel housing. Comes with a red button on top and black button on the bottom.