Acer Professional Projector - Native Resolution: XGA (1024 x 768) Maximum Resolution: UXGA (1600 x 1200) Maximum Wide Resolution: 1080p (1920 x 1080) Contrast Ratio: 3700:1 Brightness - ANSI Lumens: 3100 standard mode, 2480 economy mode Projection Lens: F = 2.41 2.55, f = 21.79mm 23.99mm, 1:1.1 manual zoom and focus Projection Screen Size: 28" (71cm) 300" (762cm) Projection Distance: 4.9' (1.5m) 32.4' (9.9m) I/O Connectors: USB Type B, RS232 mini-DIN, composite video RCA jack, S-video mini-DIN, HDMI (video, HDCP), analog/RGB component video (D-sub), DVI (HDCP), PC audio stereo mini-jack, analog RGB D-sub Data Compatibility: 1080p, WSXGA+, WXGA+, WXGA, UXGA, SXGA+, SXGA, XGA, SVGA, VGA; PC, Macintosh, iMac; VESA standard Lamp Type: Osram 230W user-replaceable P-VIP Expected Lamp Life: 2,500 hours standard mode, 4,000 hours economy mode Dimensions / Weight: 13.4" (341.0mm) W x 4.7" (120.0mm) D x 10.3" (261.0mm) H / 9.0 lb. (4.1kg) Color: Black Units Per Pallet / 20' Container: 76 / 760 Availability: Mid-October Projection System: DLP (Digital Light Processing) technology from Texas Instruments Projection Mode: Front, rear, front ceiling, rear ceiling Displayable Colors: 1.07 billion Video Compatibility: NTSC (3.58/4.43), PAL (B/D/G/H/I/M/N), SECAM (B/D/G/K/K1/L), HDTV (720p, 1080i, 1080p), EDTV (480p, 576p), SDTV (480i, 576i) Power: 100-240V AC Limited Warranty: Projector - one-year parts and labor, bulb - 90 days - DLP 3D ready. Please note that 3D content, 3D glasses and appropriately equipped PC also required to display 3D images.