The Osram VIALOX® NAV®-E/I 70W E27 high-pressure sodium vapor lamp is built for reliable and efficient lighting in streets, industrial areas, and outdoor environments. With an internal igniter, this lamp ensures hassle-free installation and operation. It is compatible with open and enclosed luminaires, and its high luminous efficacy makes it a cost-effective lighting solution. Engineered for durability, it offers a service life of up to 3 years (approx. 11 hours daily), minimizing maintenance in demanding applications.