2440L 24IN LCD OPEN FRAME ITCH Display Type: HD 1080 Maximum Resolution: 1920 x 1080 Viewing Angle: 178° (H) / 178° (V) Display Colors: 16.7 Million Brightness: 225 cd/m2 Contrast Ratio: 3000:1 Response Time: 20ms Input Video Compatibility: Analog VGA on Female DE-15 connector Digital DVI on Female DVI-D , Dual-Link connector Input Video Horizontal Sync frequency range: 31.5-80KHz Input Video Vertical Sync (frame rate) frequency range: 50-75Hz