4K HDMI Switch, 5 input ports, and 1 output port. You can connect 5 HDMI sources to 1 HDMI display or connect 1 HDMI source to switch between 5 displays. Range of application: 4K HDMI switch supports input-4K. Supports 3D, high-resolution HD, Blu-Ray, HD-DVD, Xbox, digital satellite, and cable boxes. With the memory function, when you reboot or connect, you can go back to the last connected state. Use the infrared remote control .