Monitor Dell 55", 138.787 cm, Touch (InGlassTM Touch Technology), IPS, Maximum preset resolution 3840 x 2160 at 60 Hz, Aspect ratio 16:9, 7H, Anti-Smudge, Anti-Glare, 9 ms typical (G to G), Panel brightness: 350 cd/m² (typical), Contrast ratio: 1300 to 1 (typical), Viewing Angle: 178o/178o, Connectivity: 1 x DP 1.2, 1 x USB Type-C (Alternate mode with DisplayPort 1.2, Power Delivery PD up to 90 W), 3 x HDMI 2.0, 4 x USB 3.1 downstream port (1 x USB BC1.2 charging capability at 2 A (maximum)), 3 x USB 3.1 upstream port, 1 x Analog 2.0 audio line out (3.5 mm jack), 1 x RJ-45, 1 x RS232 Viewing Angle: 178o/178o, What's in the box: OptiPlex holder, Remote Control & Batteries (AAA x 2), Stylus x 2, Remote control holder, Wire Saddle x 3, Camera Wire Saddle x 3, Stylus nib x 2, Power cable (3m), Power cable for connecting Optiplex system to display (3m), USB 3.1 upstream cable (enables the USB ports on the display)(3m), DP cable (DP to DP)(3m), USB Type-C cable (1.8m), HDMI cable (3m), VESA mounting holes (400 x 300 mm), Weight without packaging: 34.5 kgs, Height 769.78 mm, Width 1298.98 mm, Depth 78.7 mm, 3Yr Whole Unit Exchange in advance