3 HDMI Inputs, 1 HDMI OutputSeamlessly switch between 3 devices connected to a single screen. Supports 4K UHD Resolution Up to 3840x2160 @ 30Hz Backward compatible with 1080p, 720p, 480p resolutions HDCP Compliant Compatible with protected content like Netflix, Disney+, Blu-ray players, etc. Switching Methods Manual button on the device Some models include IR remote control for easy switching from a distancePlug and Play No drivers or software required — just connect and go.