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 ESL spiral 12 Watts Warm light has a very good colour reproduction. These are not dimmable lights and save up to 80%. These lights quick start and have long life of 6000H .(1)ESL Spiral 12W Warm White.(2)Not Dimmable. (3)Energy saving(4)6000 H life.