The Sirius HRI 420W (4062172192750) powered by Osram is a professional high-intensity discharge lamp engineered for high-output moving head beam and spot fixtures used in touring, clubs, theaters, and production environments. It delivers 22, 000 lumens at 7700K with Ra 85 for cleaner whites and improved color quality. Electrical specifications include 420W nominal wattage, 70V nominal voltage, and 5.0A nominal current. Optics geometry includes a 34.4 mm working distance to support tight, punchy beam performance. Nominal lifetime is 2, 500 hours. Common applications include 420W moving head enclosures.