HDMI Switch Box Support HDCP 1080p VAlinks Mini 3-Port Intelligent 4K HDMI Switcher Selector Audio/video Switcher Compatible with 4K Ultra HD Resolution for PCs XBOX TVs (Square HDMI switch) 3 port in, 1 port out, can switch conveniently by press switch button or the intelligent switch. Supports HDCP Ultra HD 4K 3D 1080P resolution, high performance up to 3.4G 3 input ports can connect to 3 different HD source video/ audio at same time, and then, the only output will send high definition audio/video signal to a high definition display. Compatible well with HD-DVD, SKY-STB, Xbo360 and other audio/video device. Note: Incompatible with PS3 PS4. All input ports support HD video, HDTV the resolution up to 1080p, and computer the resolution up to 1920*1200, and Ultra HD device the resolution up to 3840*2460(4K). Please insure that your HDMI cable is HDMI 1.4 or even higher version HDMI 2.0 cable if your need the HDMI switch to support 4K resolution in 4K TV or monitors display situation.