Add HDMI and DVID or HDMI and VGA dual video as well as audio and Gigabit Ethernet connections to your laptop through USB 3.0. Compatible with USB 3.0 equipped laptops such as HP ProBook 450. Comparable to ASUS USB3.0_HZ1. Dual monitor w HDMI + DVID or HDMI + VGA combinations Supports resolutions up to 2048x1156 3x USB 3.0 Ports.