You want the coolest electronics on your boat but you don't want to spend hours trying to get them working, then you nee the Humminbird In-Dash Mounting Kit for the 1100 Series Products. Humminbird creates products to help you get the boat you want without wasting your whole Saturday. After all, you would rather be out on the water. This kit allows in-dash mounting of all 1100 Series products and requires an opening of 11.5"x7.25".