Features 1.4 IN 1 OUT: HD Multimedia Interface 4x1 quad multi viewer supports 4 x HD Multimedia Interface input sources to one HDTV or monitor with fast switching and no lag. 2.5 VIEWING MODES: HD Multimedia Interface 4x1 multiviewer switch allows you to view a single source, 2 sources or all 4 sources on the screen at the same time. Multiple ways to display your sources. 3.HIGH RESOLUTION: Maximum resolution up to 1080p at 60Hz, also supports 720p, 1080i, 1024x768, 1360x768. compatible with HD Multimedia Interface 1.3a and HDCP 1.2. 4.2 SWITCHING MODES: 4x1 quad multi viewer with RS232 control, you can also use the remote control to switch HD Multimedia Interface channels from up to 15 feet away, or manually switch your favorite programs. 5.APPLICABLE: Support HD Multimedia Interface devices (such as computers, laptops, DVD players, camcorders, game consoles, security surveillance devices, game consoles, etc.) on TVs, monitors, and projectors. specificationItem Type: HD Multimedia Interface 4x1 Multiviewer Switch Material: Aluminum Alloy Plug Voltage: 100-240V Remote Control Battery: 2 x AAA (Without) HD Multimedia Interface Resolution: Maximum 1920x1080 At 60Hz Sound Support Format: PCM2 Input: 1 x HD Multimedia Interface Output: 4 x HD Multimedia Interface Support: 4 Channel HD Multimedia Interface Signal Seamless Switching Sound Output Format: PCM2 PackageList1 x HDMultimediaInterface4x1QuadMultiViewer 1 x Remote Control 1 x Adapter 1 x Instruction Manual