BenQ CS.5J0R4.011 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: CS.5J0R4.011 Compatible Projectors Models: BenQ PB6240 Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)