ETL certified. This product is made from Metal. For use in rooms such as a Bathroom, Guest Bathroom, Master Bathroom, Foyer / Entry Way, Hallway, Dining Room. Number of Bulbs: 2 Type of Bulbs: ST64 Edison Bulb Base: E26 This fixture is not dimmable. The Otto Table Lamp is a study in rectangles with an intermingling of antique brass and oil-rubbed bronze finishes on the metal. Special features of the geometrically rich black lamp include its tailored profile and how carefully our designers chose the placement of the metal shade to form a counterpoint to the ribs of metal it intersects.