The VisionTek USB-C to 2x HDMI adapter allows you to connect your Windows or Mac USB-C device to up to two HDMI displays or projectors utilizing DP1.4 Alt Mode. This adapter works without any additional power or drivers. Watch movies in perfect 4K clarity or tackle your most demanding software applications across multiple displays. The five inch adapter allows ample length so you can configure your desk or presentation setup however you wish. VisionTek Display adapters offer a quick solution for your display needs. Our adapters work across all operating systems including OS X, Linux and Windows XP, Windows 7, Windows 8, and Windows 10. Where necessary, our adapt-ers are active for expanded compatibility with multi monitor displays, docks, and digital signage. AMD Eyefinity is also supported with our adapters. Each VisionTek adapter has been extensively tested with HP, Dell, Lenovo and Mac systems to ensure a wide range of system compatibility. Key Features Supports resolutions up to 4K UHD 3840 x 2160 @ 60Hz.'' Note: If DP1.4 Alt mode is not supported, max 4K @ 30Hz. Fully HDMI compatible. Fully USB-C compatible. Connect your USB-C device to up to two HDMI displays, TVs or projectors. (Not reversible, only supports USB-C to HDMI) Supports AMD Eyefinity Multi-display capability. No O/S driver required. Plug ''n Play with no power input requirement. One Year Warranty.