Panasonic ET-LAD57 Projector Lamp Replacement Northstar AV sells OEM (Original Equipment Manufacturer) Lamps - Philips, Osram/Sylvania & SHP brand lamps inside of OEM spec housings. We DO NOT sell generic or compatible replacement lamps. Projector Lamp Model: ET-LAD57 Compatible Projectors Models: PT-D5700, PT-D5700E, PT-D5700EL, PT-D5700L, PT-D5700U, PT-D5700UL, PT-DW5100, PT-DW5100L, PT-DW5100UL Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)