On/off switch on the chained 180 cord. Lamp measures approximately 30" x 11". Works perfectly has a nice quiet relaxing hum when on. Bulb is white but can be changed to any color. Used oil has been emptied and drained from the line.Use only mineral oil intended for rain lamps. To prevent damage hold by the lamp not the cord. You can also see how the lamp works on YouTube here at the link here. The item "Beautiful Vintage Hanging Mineral Oil Rain Lamp 60's/70's Antique" is in sale since Saturday, January 30, 2021. This item is in the category "Collectibles\Lamps, Lighting\Lamps". The seller is "myid05" and is located in Berwick, Pennsylvania. This item can be shipped to United States.