The semi flush mount ceiling light is not only suitable for industrial vintage, traditional, antique, rustic style, but also suitable for modern style. All the lamp sockets, electric wires are listed, safe and reliable.4 x E27 UL lamp base,Note: No bulbs. This Semi Flush Mount Ceiling Lights Can be used in Indoor Lighting, Hallway, Restaurant, Warehouse, Barn, Living Room and so on.It is easy to assemble the arms to the base, allows you to arrange the arms however you want.