Native Resolution : FHD/1920*1080 pixels PC RESOLUTION (max) : WUXGA/1920x1200 pixels Resolution Support : VGA(640 x 480) to 4Kx2K Contrast Ratio (dynamic) : 15,000:1 Native Aspect Ratio : 16:9 native, Compatible analog 4: 3 Lightsource type : white LED light source technology Throw Ratio : 1.38:1 (100" @ 2.8m) Keystone Adjustment : Vertical ±15 degrees Lens : Fixed lens, manual focus Clear Image Size (Diagonal),Max : 60"~120" / 300" Projection distance and size : 1.2~6.8 m @ 60"~300" Speaker : 2x 10 Watt Chamber Stereo Speakers Interface SPDIF x 1 USB Port x 2 HDMI x 1 Audio out x 1 IR Receiver x 2(Front & Back) Dimension and Weight Dimensions (W x H x D) : 295*245*90 mm Net Weight (Kg/ lbs ) : 2.68kg (5.9 lbs)