Planar SL5551 55 Simplicity Series LCD Digital Signage Display - 997-7955-00 Aspect Ratio: 16:9 Brightness: 350 cd/m2 Contrast Ratio (Typical): 1200:1 Viewing Angle: 178°(H) / 178°(V) Pixel Pitch: 0.63mm x 0.63mm VESA Compatible: 400 mm x 400 mm, 400mm x 200mm Regulatory Approvals: FCC Class A, UL, CE HDMI Port: 1