1. Simultaneously connect 4 HDMI displays to 1 video signal source for simultaneous display.2. Support 720i, 720p, 1080i, 1080p 4K resolution3. Support high-quality HDTV resolution up to p 30HZ4. Fully support HDMI1.45. Can perfectly support HDCP6.1x4 HDMI splitter It is a flexible hub suitable for a variety of displays. Distributors can be connected to each other, if two or more HDMI distributors are connected, it can also form a larger distributor.7. The HDMI splitter can use an HDMI cable (you need to purchase separately) to connect the HDMI signal source to the input of the splitter, and the output has 4 HDMI outputs.8. This HDMI splitter supports audio and video signals.9. The HDMI one-to-four distributor can distribute the HDMI signal sources of set-top boxes, DVD players, D-VHS players and other HDTV equipment into four consistent and synchronized HDMI signal outputs. Users can output and connect the signal to high-definition