Elo Touch E000444 4243L 42 Full HD Professional-Grade Open Frame Touchscreen Display Type: LED Maximum Resolution: 1920 x 1080 Recommended Resolution: 1920 x 1080 Display Colors: 16.7 Million Brightness: LCD panel: 500 nits IntelliTouch Dual Touch: 450 nits Non-Touch: 450 nits Contrast Ratio: 4000:1 Response Time: 8ms Horizontal Refresh Rate: 89° or 178° total