Dell 4YNTF 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: 4YNTFCompatible Projectors Models: Dell 1210S Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)