Acer FHD Short-Throw Home Theater Projector White Native Resolution: 1080p (1920 x 1080) Maximum Resolution: UXGA (1600 x 1200) Maximum Wide Resolution: WUXGA (1920 x 1200) Contrast Ratio: 10,000:1 Brightness – ANSI Lumens: 3000 standard, 2400 economy Projection Lens: F = 2.8, f = 7.42mm, manual focus Projection Screen Size: 45″ (115cm) 300″ (762cm) Projection Distance: 1.6′ (0.5m) 10.9′ (3.3m) Throw Ratio: 181″ @ 2m (0.50:1) I/O Connectors: Composite video RCA jack, HDMI (video, audio, HDCP), HDMI/MHL (video, audio, HDCP), analog RGB/component video (D-sub), PC audio stereo mini-jack