1.1 Supports 4 HDMI inputs and 1 HDMI output to meet your video switching needs, allowing you to easily achieve multiscreen display, improve work efficiency, and enjoy a smooth viewing experience 2.2 The 4K 4x1 Quad Multiviewer HDMIcompatible switcher has 4 HDMI signal screen splitting functions to achieve seamless switching, ensuring that you can quickly switch between different devices and maintain quality video output 3.3 Supports switching between 1080P/60Hz and 4K/30Hz, up to 4K60Hz (YUV) and 4K30Hz (RGB), fully compatible with HDMI1.4 and HDCP1.4, providing you with clear and stable video effects 4.4 The HDMI input and output transmission distance can reach 15 meters, and the speed HDMI cable connection makes the video signal transmission more stable, ensuring that every picture can be accurately presented without delay