VGA input test: suitable for debugging DVR/NVR recorders, notebooks, DVD players, set-top boxes, desktop computer hosts and other VGA output devices. 5-inch 1920*1080 IPS high-definition screen, the camera screen is clearer and smoother, and the low-light to high-brightness range can be adjusted in a large range to fully protect the eyes. 4K input test: The instrument has a built-in input interface, the resolution supports up to 4K@30fps, and is backward compatible with 1080P, 720P and other signals, suitable for debugging DVR/NVR recorders and set-top box equipment, acting as a temporary , easy to operate, greatly improving efficiency . High-definition network camera test 4K test: 6 leading high-definition 4K H.265/H.264 main stream test, bid farewell to sub-stream test to search for multiple cameras in different network segments,directly supports 12 million cameras across network segments for smooth real-time images, Resolution up to 4K. AI IPC test: a test function that really improves work efficiency, adopts professional IPC technology, s various camera statuses (power supply, IP search, activation, image, link status) in real time, automatically logs in, automatically s images, and automatically saves cameras User name and password, the efficiency is increased by 500%., Manufacturer: WKBKYXKFK