The most efficient task lamps in the world are also the thinnest. Super efficient, tiny Cold Cathode bulbs make it possible. These bulbs were scientifically engineered to imitatesunlight. Who would have thought that such bright light could be emitted from such tiny bulbs? Yet they never get hot, hence the name "cold cathode." Nearly invisible, the patented Cold Cathode Ray Task Lamps are theultimate solution for home offices and favorite reading spots. Super thin hard alloy pole and arm adjusts to just the right height and placement. Light weight makes them easily portable and able to nearly disappear into any environment ordZcor. Cold Cathode Ray bulbs are substantially smaller than standard florescent bulbs, allowing for lighting that is half the size of a pencil. And the life of a cold cathode bulb is up to 35 times longer than most standard bulbs, making themthe most efficient lamps in the world. Available in floor or desk height. Floor lamp fully extended measures: 48" x 26", Desk lamp fully extended measures 24" x 26",Low power consumption (5 watts) *Low heatgeneration make lamps ideal for interior decoration design*Excellent lighting characteristics. S type (three band) provides superior color rendition and crisp displayed color*Multiple position adjustment function: the head may beturned around its axis to give the right light2.Each product include Two bulb already. The bulb is replaceable easily.Product Dimension: 48" x 26"