Connect two source devices to one display and switch between them, or connect one source to two displays and switch between them Supports resolutions up to 4K 3840x2160 @60Hz Supports HDMI audio pass-through No external power supply required, for easy and discreet installation 2 year warranty, more about warranty terms here The Lindy HDMI 18G bi-directional switch allows you to connect two 4K Ultra HD sources such as Blu-Ray players or games consoles to one 4K Ultra HD display or projector and switch easily at the touch of a button. Alternatively, one 4K Ultra HD source can be connected to two 4K Ultra HD displays or projectors and switch between the displays at the touch of a button. The switch supports resolutions up to 4K 3840x2160 @60Hz, ensuring an outstanding visual experience in home, education or conference installations. Its minimalist design, which does not require an external power supply, allows for easy and discreet installation.