open box UtechSmart 19-in-1 USB-C Docking Station (Model UCN3474). It is a high-performance workstation hub designed to bypass hardware limits and significantly expand your computer setup. It features three HDMI ports and one legacy VGA port, allowing you to connect up to four external monitors simultaneously on Windows Extend mode, or up to three expanded monitors on macOS.The unit offers expansive peripheral connectivity with four high-speed USB 3.0 ports for fast data transfers, two USB 2.0 ports optimized for lag-free wireless keyboard and mouse receivers, and a built-in SD/MicroSD card reader. It features a dedicated RJ45 Gigabit Ethernet port for ultra-stable wired internet connectivity and a 100W USB-C Power Delivery port to keep your host laptop completely charged during heavy use.Note: Please verify your laptop's USB-C ports support video signal output (DisplayPort Alt Mode) before purchasing.