Very reliable long lasting and with excellent luminous flux the Osram VIALOX NAV-E 70 Watt Light Bulb is a perfect solution for general street and outdoor lighting applications commercial lighting and industrial installations. Saving 50% in running costs compared to a traditional mercury lamp this Edison Screw Elliptical lamp will also emit its Sodium Orange (2000K) colour temperature over a 28000 hour life span. This light source is also dimmable on both conventional and electronic control gears and is suitable for use in both enclosed and open luminaires.