Freely switch between two HD video sources;The resolution of high-definition video signal can be up to 3840 * 2160 @ 30Hz;Automatically adapt to EDID/HDCP decryption, can adapt to a variety of complex application environments;Support physical buttons and external desktop switch switchCan automatically identify and configure various display modes;-in automatic equalization system, the picture is smooth, clear and stable;-in ESD electrostatic protection circuit to protect the safety of the system in all directions;Simple and convenient installation, plug and play, no need to setColour:dark grayMaterial:metalSize: 67x58x24mmPackage Contents:1x 1x extension cable1x usb cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.