Optoma SP.8UP01GC01 Projection Lamp Brand New P-VIP Lamp for a Projector (280 watt) 1 Lamp Supplied 100% compatibility with the following OPTOMA projector models W317UST W307UST W307USTi X307UST X307USTi This projector lamp is user friendly and user installable by following the documentation provided with the original device All Original Lamps are manufactured to ISO9001 standards and come complete with a comprehensive 90 day warranty