The ELPLP77 OEM Lamp is for Epson EB-1970W / EB-1975W / EB-1980WU / EB-1985WU / EB-4550 / EB-4650 / EB-4750W / EB-4850WU / EB-4950WU / H543C / H544C / H545C / H545M / H546C / H546M / H563C / PowerLite 1975W / PowerLite 1980WU / PowerLite 1985WU / PowerLite 4650 / PowerLite 4750W / PowerLite 4770W / PowerLite 4855WU / PowerLite G5910 / PowerLite HC 1440 / PowerLite PC 1985 projectors.