Feature:1. 4K ULTRA HD: Supports up to 4k 30hz resolution, (backward support for 1080p 120hz), providing a vivid and fluent picture for your large display and a vivid 3D screen experience.2. UNIVERSAL COMPATIBILITY: Connect PCs, laptops, set top boxes, security cameras with DisplayPort output ports to HD Multimedia Interface devices such as TVs, projectors, displays, etc. with unrivaled resolution and compatibility.3. SUPPORT EXPANSION OR MIRROR MODE: DisplayPort to HD Multimedia Interface adapter supports expansion mode, mirror mode.4. DURABLE: The 4k displayport to HD multimedia interface adapter features 24K gold plated connectors that can withstand more than 11,000 plugs and unplugs. Premium aluminum housing makes the adapter more durable.5. PLUG AND PLAY: Displayport to HD multimedia interface adapter requires no drivers or software, plug and play. Lightweight and portable design, small size, light weight, takes up little space, easy to carry.Specification:Item Type: Displayport to HD Multimedia Interface AdapterCase Material: Aluminum AlloySize: Approx. 53x20x12mm / 2.09x0.79x0.47inInterface: DisplayPort Male to HD Multimedia Interface FemaleResolution: Support 4K 30Hz, 1080P 120HzData Transfer Speed: 30Gbps (MB/s).Package List:1 xDisplayport to HD Multimedia Interface Adapter Note:1. Does not include HD Multimedia Interface cable, does not support HD Multimedia Interface to DisplayPort. It doesn't go both ways.2. Manual measurement please allow some error.