The U. F. O. utilizes a new, innovative LED lamp design concept that differs from traditional lamp design. Intended to replace a CFL (Compact Fluorescent Lamp), the U. F.O. is a downlight lamp, which combines the advantages of both conventional lamps and downlight fixtures. It has various colored ring trims, selectable for each atmosphere, as well as a slim edge lit LED light source, which creates soft, natural light. The U. F.O. doesn't use a heavy heat sink, making it as light as a conventional lamp, which allows easy installation for everyone. Its unique design includes a spring to control its length when used with different ceiling heights.