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 13 Watts Osram CFL bulb is a compact 13 watt fluorescent 2 pin bulb. It comes in a warm white color. The lamp gives out the same brightness as ordinary bulbs while consuming 20 to 25% less power.