DELL 7700FullHD, 5000 ANSI lumens, DLP, 1080p (1920x1080), 2500:1, 16:9, 515.6 - 7439.7 mm (20.3 - 292.9") DELL 7700FullHD. Projector brightness: 5000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 1500 h, Service life of light source (economic mode): 2000 h. Focal length range: 39.12 - 46.94 mm, Aperture range (F-F): 2.6 - 2.9, Zoom type: Manual. 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: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size http://business-projectors-review.toptenreviews.com/dell-review.html The Dell 7700FullHD is a high-definition DLP monitor that is bright enough for lights-on business presentations. It is 5.4 inches tall and weighs 16 pounds. The Dell 7700FullHD comes in a sleek black dustproof case. It is quite heavy and not for road warr... https://www.projectorcentral.com/Dell_7700FullHD_projector_review.htm If you don't expect to show much video, and you don't mind the short lamp life, there's a lot here to like. Not only does the Dell 7700FullHD deliver a bright, high resolution, high quality data image, it offers lens shift, PIP and side-by-side modes, ...