... of 1000:1.Aspect Ratio 16:9 or 4:3, wide-screen at all models(Except USB ... 2*USB (Support Hard Disk), VGA (PC), YPbPr, Composite A/V, Audio out (Headphone)SpeakerDual Channel (Stereo)2 ... 5m-8.5mAspect Ratio4:3 Native, 16:9 Compatible; Switch freelyOSD Language Chinese, English, French, Spanish, Portuguese,ArabicNoise ... 1.5 three-color audio and video cable.Warranty PeriodProjector 2-Years, Lamp 12 Months