Osram is one of the leading companies in providing lighting solutions over the decades. OSRAM is evolving from the leading lighting producer to the high-tech champion of photonics. Photonics covers the entire technological range of visible and invisible light.The Osram T5 is an high efficiency light . These have a very long life of an average of 24000 hours. These tubes are compatible with an electronic ballast. These lamps are also very energy efficient, they have an energy label classified A. .(1)Warm White light (2)14 Watts.(3)Energy saver(4)An average life of 24000H.