V.TOP Dual Functional Manual Control 4K 2-In-1-Out HDMI Switcher/Monitor Selector (Black) Supports 3D High Speed HDMI device switching. High bandwidth 3.4Gbps data transmission supports high resolutions. Supported Resolutions: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 4k@30Hz. Compatible with most HDMI devices - HDTVs, projectors, monitors, computers. Connect two HDMI sources to one HDMI display, or connect one HDMI source to toggle between two displays.Connect two HDMI sources to one HDMI display, or connect one HDMI source to toggle between two displays. Support for video recording, video playback and video converting . Please use standrad HDMI cables in lengths less than 23 feet.