Melt butter in the microwave and transfer to a 9 x 13 inch baking pan.
Sprinkle graham crumbs over the top of the melted butter. Sprinkle coconut over the graham cracker crumbs. Sprinkle crumbs with chocolate chips and butterscotch chips. Cover chips with sweetened condensed milk. Sprinkle milk layer with chopped pecans.
Bake for 30 minutes. Remove from oven to wire rack and allow to cool before cutting into squares.