BenQ MX511Projection System DLP® technology by Texas Instruments® Native Resolution XGA (1024 x 768) Brightness 2700 ANSI lumens Contrast Ratio 3000:1 (Full on/Full off) Keystone Manual Vertical ±40° Aspect Ratio 4:3 Native, 16:9 Selectable Color Full 1.07 billion color palette Image Size (Diagonal) 23” to 300” Throw Ratio 1.97-2.17 (50"@ 2m) Lamp 190W, 4500/6000 hours (Normal/Economic mode) Video Compatibility NTSC, PAL, SECAM Horizontal Frequency 31-90 kHz Vertical Scan Rate 50-120 Hz Input Terminals PC:Analog RGB: D-sub 15 pin x 2A/V:HDMI V1.3 x 1Component Video: D-sub 15 pin x 2(Shared with Analog RGB connector)S-Video: Mini Din 4 pin x 1Composite Video: RCA x 1Audi:Stereo Mini Jack x 1 Output Terminals PC:Monitor Out: D-sub 15 pin x 1Audi:Variable Audio Out : Stereo Mini Jack x 1o:Speaker: 2W x 1