Native Aspect Ratio 4:3Technology DLP TechnologyResolution SVGA(800x600)3000 AnsilumensContrast Ratio 15000:1Supports 3D content from Blu-ray, cable boxes, dish services and more (over HDMI) at 144Hz and PC-based 3D content at 120Hz. DLP Link 3D glasses required.Speakers 2W (1 x 2W)Audible Noise (Eco/High, dBA) 30/32Keystone ± 40ºLamp SP-LAMP-086Lamp Hours (Eco/High) 6000/5000Connections HDMI 1.4, VGA x 2, Composite video, S-Video, 3.5 mm stereo in x 2, 3.5mm stereo out, RS232C, USB Type B (control & firmware)Image Offset 15Throw Ratio 2.2~1.9Weight 5.4lbs or 2.5kg