COST&EFFECTIV-Portable 2-Pack Display to hdmi adapter connects a desktop or laptop with Displayport (DP DP++ DisplayPort++) to an HDTV monitor display or projector with HDMI input; An HDMI cable (sold separately) is required. INCREDIBLE PERFORMANCE-Transmits high-definition audio and video from your computer to an HDTV for video streaming or gaming; Supports video resolutions up to 1920x1200 / 1080P (Full HD) and uncompressed digital 7.1 5.1 or 2 audio channels. BROAD COMPATIBILITY-Compatible with DisplayPort equipped computer pc notebook ultrabook. Labtop; SAFE&RELIABLE-DisplayPort connector with latches provides a secure connection with a release button that must be depressed before unplugging