Simulate natural sunlight indoors with new wide beam led lamps uses 60 less electricity extendable height rotating swing out arm with pivolting lamp replaceable long life 10 000 hour t1 ccfl bulbs shortcode tabdescriptionnatural sunlight lamps use full spectrum light which is as bright and white as natural daylight using 60 less electricity these new wide beam long life 10 000 hour t1 ccfl cold cathode fluorescent lamp bulbs are virtually flicker free glare free and improve contrast