Osram DDL (150W/20V) Lamp Tweet Description This Sylvania DDL (150W/20V) Lamp is a MR16 shaped halogen bulb with a GX5.3 base. This lamp is used for projectors, and has a 500 hour lamp life. Details Additional Category Tags: Presentation Lamps & Bulbs Category: Audio Visual Presentation Manufacturer Catalog Number: 54660 Model: Osram DDL Product Manufacturer: Osram Subcategory: Projector & Presentation Lamps