Product Information: 4Kx2K Switcher 3 in 1 out 3x1 3-Port Splitter HDTV Pigtail Switcher - Easily switch between 3 separate devices with this switcher featuring 20-foot pigtail cables. Switch manually or use the smart automatic switching function. 3 in 1 out HDCP Compliant Supports resolutions up to 4k Supports Deep Color Supports 3D devices Smart Automatic Switching or Manual Switching Smart Function - When a source device is turned on, the switcher will automatically select that source. When the source device is turned off, the switcher will automatically switch to the next powered-on device in sequence. Pigtail Cable - 20 feet Supports compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD) No power required Note: All data is measured manually, please allow 1-3cm error; Due to the difference in light and display, there may be a certain color difference, please refer to the actual object received.