Pureglare BL-FS200B,SP.80N01.001 Projector Lamp for Acer,nobo,optoma EP738p,EP739,EP739H,EP745,EZPRO739,H27,H27A,HD720X,PD521,X23M,X25M Ampac Audio-Video is the only authorized seller of PureGlare lamps. ?Look for Ampac Audio-Video to ensure you're buying an authentic PureGlare Lamp.? PureGlare Compatible Lamp with 150 days warranty