4,000 Lumens Brightness for Sharp, Clear Display Native Resolution: 800x600 SVGA Resolution Maximum Resolution: 1920 x 1200 Impressive 20,000:1 contrast ratio for Crisp Images & Text Up to 15000 (Eco) Lamp Life HDMI 3D Display Acer LumiSenseTM & BlueLightShieldTM Technology Image Shift to fit image to Screen, Without Moving Projector Acer ColorBoost3DTM Acer ColorSafe II HDMI, USB, Composite Video, VGA In, VGA Out Optional Wireless Projection (Wireless Dongle Sold separately)