GOLDENRIVER EP54 Original Projector Replacement Lamp with Housing Compatible with ELPLP54 PowerLite HC 705HD EX31 / EX71 / EX51 / EB-S72 / EB-X72 / EB-S7 / EB-X7 / EB-W7 Part Number: EP54 Compatible with: EPSON EX31 / EX71 / EX51 / EB-S72 / EB-X72 / EB-S7 / EB-X7 / EB-W7 / EB-S82 / EB-S8 / EB-X8 / EB-W8 / EB-X8e / EH-TW450 / PowerLite HC 705HD / PowerLite 79 / PowerLite S7 / PowerLite S8+ / PowerLite W7 / H309A / H309C / H310C / H311B / H311C / H312A / H312B / H312C / H327A / H327C / H328A / H328B / H328C / H331A / H331C Life Time (STD): 2000, Life Time (ECO): 3000 Warranty: 30 days Refund & 120 days Replacement Warranty Made by GOLDENRIVER. We will take strict quality test before shipment. If you have any problem, please contact us, we will try our best to help you.