Efitty 1280x800 3500 Lumens Multimedia LED LCD Home Theater Projector Support USB/TV/3D/VGA/HDMI 1080P Business Projector Model: SV-228,Projection Technology:LCD,Native Resolution:SVGA(1280x800).Supported Resolution:1080P(1920x1080),WXGA (1280x800),720P (1280x720) Dimension(cm): 340x260x120 (mm) Input Voltage(V): 110-240v,Brightness(Lumens): 3500lumens,Aspect Ratio:4:3 and 16:9,Contrast Ratio:2000:1,Projection Screen Size(inch): 50-250inch ,Projection Distance(m): 1.2-6m,Throw Ratio Range: 1.2:1 Lens: manual zoom and focus.Video Formats: M4A, 3GP, MP4, RMVB, RM, MPG, MPEG, VOB, MOV, AVI.Audio Formats: CD, WAV, WMA, MP3.Picture Formats: JPG, PNG, GIF, BMP, JPEG Connectors:YPbPr,TV,HDMI Input,USB,VGA Port,3-in-1 AV In.Speakers Included:Yes,built-in.Lamp Type:LED.Lamp Life(Hours):30000hours.Power Consumption: 180 (W).Connectivity Technology: Wired. Multi-function interface: HDMI*2USB*2AVTVVGAHeadset input.Easy changing in 16:9 and 4:3 aspect ratio; Low power consumption, echo-oriented.