Digital Galaxy DG-737 HDMI 1080P Compatible LCD Projector,US warranty and support Interface: VGA, RCA, Y/Pb/Pr, HDMI, Audio output. Dimension: 12.5&quot;x9.8&quot;x3.7&quot;; Weight 6.4 lbs; Power Supply 110V-240V DG-737. Native resolution 800x480, compatible with 1080i/p, Aspect Ratio 16:9; 4:3; Contrast: 600:1; 1500 Lumen (2000 peak value) NOT recommended for use in a large conference/church/class room with bright lights on or during the daytime. Lamp life: 20,000-50,000 hours. 5&quot; LCD techology gives better image and brightness than its 3.5&quot; and 7&quot; competitors Image Size 50&quot;-150&quot; diagonal; Throw Distance 5.8 feet - 18 feet); 2 built-in speakers;