ViewSonic PA503W WXGA 3800 Lumens SVGA High Brightness Projector Projector for Home & Office w/ HDMI Vertical Keystone : From the manufacturerAbout ViewSonicWith over 30 years of experience developing award-winning visual display solutions and providing excellent 24/7 customer support, ViewSonic delivers a level of expertise that is tough to beat. باختصار ، لقد قمت بتغطية.