With a slim arched arm and a large dome-shaped metal shade, the Astoria Arc Lamp is a great way to achieve overhead lighting with style. A 150 Watt bulb can illuminate a large sitting area while an black finish and chunky white marble base bring a clean, modern look to any space. A rotary switch is located on the pole adjusting from low light to bright lighting. – Product Details provided by Manufacturer, not responsible for errors in information.