HDMI Screen Splitter Switch only supports allocation mode, multi screen display of the same image, high-definition 4k synchronous transmission of audio and video. Note: does not support extended mode, cannot display different screens for multiple tasks, does not support switching modes, and cannot switch screens between multiple devices. HDMI Splitter 1 in 2 out is designed to replicate the same output on two screens-it will not provide two different outputs, allowing 1 HDMI source (laptop, computer) to be connected to 2 outputs (TV) , Projector, monitor)), and both output display the same content. You will get video and audio at the same time, and will not provide two different outputs. HDMI splitter for dual displays, supporting 4K, 3D, 480i @ 60Hz / 480p @ 60Hz / 576i @ 50Hz / 576p @ 50Hz / 720p @ 50 / 60Hz / 1080i @ 50 / 60Hz / 1080p @ 50 / 60Hz / 1080P 24Hz 3D / 720 60Hz / 4K @ 30HZ (For 4K resolution, the frequency cannot exceed 30Hz). Note: Not compatible with HDCP2.2. HDMI Splitter is designed to be lightweight, plug and play, no other drivers are required, you only need to connect correctly, you can start playing high-definition video without losing the enjoyment of audio, easy to use and carry, and easy to travel. Comes with USB cable (need to supply power via USB). HDMI splitter 1 to 2 supports 1 input: Sky Box, Fire Stick, computer, X Box 360, X Box One, PS3/PS4, PS4 Pro, Fire TV Stick, Blu-ray DVD player, etc. Supports 2 identical outputs at the same time: computer screen, TV, project, monitor, etc. This HDMI splitter is made of hard materials, more durable and more practical. With advanced and powerful active chips, data up to 225MHz can be analyzed and processed. It also supports signal buffers.Product includes: a HDMI splitter, a USB cable