Model GD-20LTDActive Screen Size 20¡±Viewing Range (H)400.80*(V)306.00(mm)Pixel Pitch 0.443¡0.443mmContrast Ratio 500:1Brightness 450cd/ OViewing Angle 160¡£/160¡£(H/V)Maximum Resolution 640*480 AT 75HzResponse Time 8msAspect Ratio 4:3Maximum Displayable Clolors 16.7MPlace Frequency 30-100KHzLine Frequency 60-75KHzTV Mode PAL/SECAM/NTSCInput Voltage AC100-240V, 50/60HzPower ConsumptonAudio Output 3W+3WLongevity 50, 000 hoursInput Signal Terminal D-Sub 15ping¡¢Audio¡¢TV¡¢Video¡¢S-Video¡¢Dimension 640*150*495mmGross 13KG [Add to My Inquiry Car