Bi-directional EDID，the source can be male or female connect.Pixel Format HDMI EDID tell Windows that it is a monitor of the specified resolution, and then pass through the video data to your real monitor. even turn off or disconnect the real one, the device will tell Windows that it is still connected and Windows will not try to rearrange things. it does in fact work with DP to HDMI adapters flawlesslyUsing it with not always connected to a screen clients (Mac mini, raspberry Pi, NUC, Jetson Nano) connected to a 3840p monitor. Enables each device to keep the EDID of the monitor active when remotely accessing them，Works for purpose.Worked great-This fixed desktop rearrangement when turning off surround sound receiver. Computer stays on as it's running Windows 8.1 with Media Center.&also be used as a dummy plug,Just plug a monitor into it once and the remove that monitor！Keeping the EDID consistent-Used for When Renegotiate every time either the sink or the source would start,stop,switch or else ,It still passes through the video and audio correctly (tested in 2-channel stereo). accelerates the negotiation when the display is frequently offAvoid distorted image - When no software work around,plugged this adapter between the HDMI switch and work laptop and it changes the EDID,get the option back in Windows. No more distorted image!Contact 24 hours get with help and Not satisfied with the 30-day full refund service！ How to Fix PS5 120Hz Not Showing with EDID Emulator？ Step1:Select Performance Mode&Disable HDCP. Step2:Rest on Resolution option.Plug the Edid emulator to PS5.If the screen is black,press X----press down（or up）----press X.This is a blind operation to adjust the resolution to 1080P.done. Q:Does this emulator support 3840x2160@60hz with 4:4:4 chroma subsampling? is 18gbps hdmi supported? A: using this to maintain 4k 60Hz for my computers color card. It does not allow HDR which is bad since set has 10 bit and Dolby Vision Q:Will this help me connect remotely to my computer when my monitor is turned off? (Sort of like a dummy plug?) A:if you're unsure how this device works it works by keeping you're screen enabled in windows instead of disabling it！ Q:How fixed are the resolutions supported? Will it support 2560x1600? A:It supports up to 4k, so yeah 2560x1600 should be supported. Be sure 2560x1440 is supported for sure since that's what monitors use, but I am pretty sure 2560x1600 works too Color:HDMI EDID 4K-1P Supported resolutions: 3840 x 2160@60Hz(with HDMI2.0) 这里不同的分辨率给不同的建议 2560x1440@60Hz 1920x1200@60Hz 1920x1080@60Hz 1680x1050@60Hz 1600x1200@60Hz 1600x900@60Hz 1440 x 900@60Hz 1366 x768@60Hz 1280x800@60Hz 1280x720@60Hz 1024x768@60Hz 800x600@60Hz lProduct Dimensions：1.61*0.83*0.43mm lItem Weight：0.6 Oz