244 Technical SpecificationsPicture/DisplayLCD panel type TFT-LCDBacklight CCFL (225B2), LED (225BL2)Panel size 22'' W (55.9 cm)Aspect ratio 16:10Pixel Pitch 0.282 x 0.282 mmBrightness 250 cd/m²SmartContrast 500,000:1 (225B2); 20,000,000:1 (225BL2)Contrast ratio (typical) 1000:1Response time (typical) 5 msOptimum Resolution 1680 x 1050 @ 60HzViewing angle 176° (H) / 170° (V) @ C/R > 5Picture Enhancement SmartImageDisplay colors 16.7 MVertical refresh rate 56Hz -76HzHorizontal Frequency 30kHz - 80kHzsRGB YESConnectivitySignal input DVI-D (digital, HDCP), VGA (Analog)USB USB 2.0 x 2Input Signal Separate Sync, Sync on GreenAudio In/Out Stereo AudioConvenienceBuild-in Audio 1.5W x 2User ConvenienceOSD Languages English, French, German, Italian, Russian, Spanish,Simplified Chinese, PortugueseOther convenience VESA mount ( 100 x 100mm), Kensington lockPlug & Play Compatibility DDC/CI, sRGB, Windows 7/Vista/XP, Mac OSX, LinuxStandTilt -5/+20Swivel -65/+65Height adjustment 70mm