Calla- Modern brass wall sconce 2 Standard medium base socket (E-26) with brass cups, Max rating of 250 Volts. The length is 21". The depth is 4 " from the wall to edge of the socket cup. The width is 7" from one socket cup edge to the other one edge. Canopy is 5" in diameter. Bulb is included. Any Medium base bulb is available. Bulb is max 40 W, recommend to apply LED light to save power Assembly is required. All the parts are sealed, to protect the light tarnishing quickly. Mounting hardware is included! The items might be slightly different color with the photo. Indoor use only.