Product details:

Solid Brass 180 Degree Adjustable Swivels with internal teeth that lock in at 5 degree intervals . Includes 2 Dimmable Incandescent or LED Vintage Bulbs. Rated for 100 Watt Maximum per socket. UL/CUL Damp Rated. Fixture can be hung with Bulbs Facing up or Down as a Wall Mount or Facing Down as a Ceiling Mount. 4.5 inch 2mm Heavy Cast Canopy. This fixture needs to be hardwired. Professional installation is recommended.