The Master-IT USB KVM Switch with Dual HDMI series embedded DDM Technology can 100% maintain the compatibility of the shared devices and connected systems. As a result the UDD+ series becomes the most reliable and robust multi monitor KVM switch in the world. UDD+ HDMI KIT series provides the premium HDMI video resolution up to 4K (3840 x 2160 30Hz) on two HDMI monitors. The UDD-12A+HDMI-KIT, as with all ConnectPRO KVM switches, features all-the-time active DDC/EDID communication, which makes this switch Windows 7/8/10 compatible. Some additional features include: Built-In IR remote receiver (remote not included), RS-232 control and firmware upgradable and unlimited UPLINK for future expansion ( for more than 2-monitor sharing), DVI-HDMI cables interface, supporting links to the HDMI systems and links to HDMI monitor/ display, and Standard 3 Year Warranty.