The JCA365 USB-C® to Dual HDMI™ Multi-Monitor Adapter acts as an external video card for your MacBook® or Windows® laptops. It allows you to add two additional displays through your USB-C® port, boosting your productivity by giving you more screen space to work from. One of the HDMI™ ports can output resolutions up to 4K, while the other can output resolutions up to 2048 x 1152. Simply install the driver for the USB-C® to Dual HDMI™ Multi-Monitor Adapter by plugging-in the adapter and then connect your monitors using HDMI™ cables for a dual-display workstation!