Acer R Series Display. 27" wide IPS 1920 x 1080 Dynamic Contrast Ratio 100,000,000:1 Native Contrast Ratio 1,000:1 Horizontal/Vertical Viewing Angles (typical) 178 /178 Integrated Speakers None Signal Connectors (cables included) VGA, HDMI 1.4 Signal Connectors (no cables) DVI (HDCP) Brightness (typical) 250 cd/m2 Response Time (typical) 4ms gray-to-gray Power Adapter (cable included) External Tilt -5 15 Swivel No Height Adjustment No Pivot No Detachable Foot Stand Yes Kensington Lock Supported Yes VESA Wall Mount Supported No Registration Energy Star Chassis Black