... and Focus adjustment 720P1.72inch 4:3 wide screen virtual display, None radiation LCD panel2.Adjustable focus ... format MPG/VOB/MKV/AVI/MOV/MP4/ASF6.Support Screen adjust Stretch, 4:3, 16:9, Actual7. ... : FLCOS 320*240 equivalent to LCD 640*480 Screen Ratio: 4:3 IPD IPD : IPD Adjustment:58 ... 26°Diagonal Audio :Audio output:Stereo,Distortion:0.03%,Interface:USB2.0 High speed data transfer, 4MB/STemperature ...