Acer SP.L3701.00 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: SP.L3701.00Compatible Projectors Models: Optoma H78 Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)