The B119-003-UHD-MN 3-Port Mini HDMI Switch allows you to connect three HDMI source devices to one port on an HDMI monitor and switch back and forth between them. For instance, you can connect your Blu-ray player, video game system and cable/satellite DVR to one HDMI port on your high-definition television. Or you can connect three computers or media centers to a monitor for displaying digital signage or giving presentations.Switch between source devices using buttons on the unit or the included remote control. The included IR extender receiver lets you hide the unit out of sight while still being able to switch devices up to 16 feet away using the remote. When the currently used device is powered off, the unit automatically switches to the next powered-on device.The B119-003-UHD-MN ensures top-quality audio/video applications with Ultra High Definition (UHD) video resolutions up to 3840 x 2160 (4K x 2K) @ 24/30 Hz and 48-bit True Color (16 bits per channel), as well as DTS-HD, Dolby True-HD and 7.1-channel surround sound audio. It's compatible with 3D, HDCP and EDID. Hassle-free functionality requires no software, drivers or external power supply. Sets up in seconds.