Apexlamps OEM BULB Housing Projector Lamp for VIVITEK D520 / D520ST / D522ST / D522WT / D525ST / D530 / D535 / D536-3D / D537 / D537W / D538W-3D - 180 Day Warranty Part Number: 5811116310-SU Projector replacement lamp for the following model(s): VIVITEK D520 / D520ST / D522ST / D522WT / D525ST / D530 / D535 / D536-3D / D537 / D537W / D538W-3D Original Equipment Manufacturer (OEM) Bulb with New Housing 180 Days Warranty Technology: DLP, Lamp Wattage: 240 Life Time (STD): 3000, Life Time (ECO): 4000