Feature: 1. Multifunction: The device integrates HD Multimedia Interface 4x1 multiviewer switch with USB3.0 video capture, support both screen splitting and video capture functions, can be applied to live video broadcasting, game studios, security monitoring and other industries. 2. Multiple Screen Split Modes: Simultaneously allow 4 channel video source input, the output supports multiple screen split modes, single screen mode, dual screen mode, 4 screen mode. The highest resolution supports 4K30HZ. 3. 4 in 1 Out: Support 4 channel HD Multimedia Interface input, 1 channel HD Multimedia Interface output and 1 channel video capture output, support 4 channel HD Multimedia Interface signal screen split, support 4 channel HD Multimedia Interface signal seamless switching. 4. Video Resolution: Supports 4K 30fps HD Multimedia Interface 1.4 input and output. The maximum output of USB3.0 is 1080 at 60fps, and the maximum HD Multimedia Interface input and output is 4K at 30Hz. 4 HD Multimedia Interface input ports, can be inserted into the HD Multimedia Interface video source individually or simultaneously, without affecting each other. Smooth video capture with no latency. 5. Wide Compatibility: HD Multimedia Interface capture card can be used for high speed full HD screen video recording, conference recording, game recording and other USB3.0 channel recording on computer. Compatible with many systems, such as for Win 7,8,10, for OSX10.9 or later, for Linux. Supported software includes for Potplayer, for AMCap, for VLC, for Skype, for Hangouts, for WebEx, etc. Specification: Item Type: HD Multimedia Interface Multiviewer Switch Material: Iron shell HD Multimedia Interface Inputs: 4 HD Multimedia Interface Outputs: 1 Video Capture Output: 1 Resolution: Up to 4K 30Hz Remote Control Battery: 2 x AAA Battery (not included). Package List: 1 x HD Multimedia Interface Multiviewer Switch 1 x User Manual 1 x Remote Control 1 x Cord 1 x USB3.0 to Type C Cable