1. Support HDMI input 2. Input supports HDMI2.0, HDCP2.2, supports 4 HDMI outputs 3. Input support 480i/480p/576p/720p/1080p/4K30p/4k60p 4. The output supports 1920x1080P 5. Support a variety of splicing, easy to operate, plug and play 6. Support screen flip and mirror function. The output screen can be flipped 180 degrees