DELL 4220, 4100 ANSI lumens, DLP, XGA (1024x768), 2000:1, 782.3 - 7797.8 mm (30.8 - 307"), 1.2 - 10 m DELL 4220. Projector brightness: 4100 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2000 h, Service life of light source (economic mode): 2500 h. Focal length range: 18.2 - 21.8 mm, Offset: 115%. Analog signal format system: NTSC, NTSC 4.43, NTSC J, NTSC M, PAL, PAL 60, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, PAL..., Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: USB Type-A, USB Type-B https://www.pcmag.com/reviews/dell-4220-network-projector Similar to the Dell 4320%displayPrice% at %seller% projector that I recently reviewed, the Dell 4220 ($1,099) shares the same general description of being light enough to carry with you and bright enough to throw an image suitable for a mid- to large-size... High brightness, at 4,100 lumens. Surprisingly light for the brightness. Comes with soft carrying case. 3D support is limited PCs equipped with quad-buffered, OpenGL, 3D-compatible graphics cards Light enough to bring with you as a regular traveling companion, the Dell 4220 Network Projector delivers a bright image at a native XGA resolution....