The top has a spring loaded extension. The lamp when plugged in either stays on with one light or both lights on. The piece fits ceiling heights from 88" to 99" tall. Saving American History LLC scours the East Coast to find vintage rarities and antique oddities.Our goal is to find rare items and bring them to a marketplace where they can be appreciated and cherished by people of the present and future. This item is in the category "Collectibles\Lamps, Lighting\Lamps". The seller is "savingamericanhistory" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Singapore, Switzerland, Norway, Republic of Croatia, Malaysia, Chile, Colombia, Costa Rica, Panama, Trinidad and Tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Pakistan, Paraguay.