Product introduction: The HDMI one-to-four splitter allows the signal source of one HDMI input port to distribute four synchronization signals to four HDMI ports to output the same high-definition audio and video. The HDMI one-to-four splitter can distribute HDMI signal sources from set-top boxes, DVD players, D-VHS players and other HDTV equipment into four consistent and synchronous HDMI signal outputs. Users can output and connect the signal to high-definition projectors, DLP, LCD high-definition TVs and other devices for simultaneous display. Working principle: 1.1x4 HDMI Splitter It is a flexible hub suitable for a variety of displays. The splitters can be connected to each other. If two or more HDMI splitters are connected, a larger splitter can be formed. 2. The HDMI splitter can use an HDMI cable (which needs to be purchased separately) to connect the HDMI signal source to the input of the splitter. The output end has 4 HDMI outputs. 3. This HDMI splitter supports audio and video signals. 4. Fully compatible with HDCP. Product performance: 1. Connect 4 HDMI displays to 1 video signal source at the same time for simultaneous display. 2.Support 720i, 720p, 1080i, 1080p 4K resolution 3. Support high-definition resolution up to p 30HZ high-quality HDTV resolution 4. Fully supports HDMI1.4 5. Can perfectly support HDCP 6. Small size, quick installation, simple operation, plug and play Package Contents: 1 x HDMI Splitter(1 in 2 out / 1 in 4 out) 1 x Power Adapter(USB Cable / EU Plug / US Plug) 1 x User Guide