3 PORT HDMI SWITCH 4K@60Hz-support three-road HD signal source free switching. Metal shell, strong and durable, good heat dissipation. The Video rusolution is upto 3860 * 2160 @ 60 Hz. Support for infrared remote control. Support for the RS232 control. HDMI 2.0 and HDCP 2.2 standards. Built-in automatic adjustment system to make the image smooth, clear and stable.