XJE 4Kx2K 4 Port Hight Speed HDMI Switch with IR Wireless Remote Control Support HDCP protocol and applicable to source device and high definition display device such as DVD and HDTV which have HDMI or digital ports and are compliant with HDCP protocol. Support high resolutions up to 3840*2160, including 480i/p,576p,720i/p, 1080i/p and 2160p Extend the transmission distance and improve transmission signal. Compatible with DVI by using HDMI TO DVI adapter Convenient to connect multi-group input signals to display on one HDTV.