This is a custom wall light switch dimme The knob and switch plate made of Amboyna Burl & African Blackwood. The Amboyna  plate has a live edge wih sapwood & even a little barkk. It works with incandecent or dimable LED lights, and will fit into most conventional receptical boxes.
Size of the front cover is 4 & 1/4" wide x 6 & 1/4" tall and the dimmer controll knob is 3" in diameter.