This product is a Metallic Exposed Bulb Pendant Lighting Industrial 1 Head Restaurant Ceiling Fixture with an Adjustable Cord in Copper/Black. It is a hanging light fixture made of metal with a canopy width of 4". The total fixture width is 2" and the total fixture height is 3.5". The chain/cord length is 47" and is adjustable. This product requires 1 light bulb (not included) with a voltage of 110V-120V or 220V-240V. The type of light bulb base needed is an E26/E27. The light bulb can be LED, Incandescent, or Fluorescent.