I am a broadcast engineer by trade, but also do a lot of work in the IT field as well. My current primary job requires me to test the performance of DVRs used to monitor point-of-sale locations. The technology varies; sometimes VGA, sometimes HDMI. I also use it to troubleshoot digital signage installations. But an important use for me is as a test monitor during remote TV broadcast productions. High end broadcasting uses a signal format called SDI that a lot of portable monitors aren't equipped to handle because of its specialized nature. But this little unit does, and at a price hundreds of dollars less than most SDI capable monitors. Just yesterday, it was used to aim two POV 'dunk' cameras on basketball backboards, while on a ladder, in a production for a major TV sports network. These cameras only output SDI, and having this monitor with me saved a significant amount of time over having to borrow one, usually a bulkier one, from the production truck. I was asked by other engineers where I got it, so I suspect that more of these will be sold to folks that need to view SDI video.

Great picture on monitor and easy to use.

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Best use it has is to find the best place to do the installation.... helps a lot!pros:-the kit has all the cables and the case is nice and functional quite complete.-decent battery lifecons: -did not work with some cameras that already include audio by BNC cable ,looks but does not work audio(I have not been able to do more tests but this is what happened to me 9/10)

I am using this tester to quickly identify defective cables and equipment in a variety of applications—for example HDMI/VGA video cables, USB drives, Audio cables, Network cables and Analog security cameras. In the past I’ve spent a lot of time reconfiguring components when the problem was simply a faulty cable. So this tester allows me to work more effectively and so far results are impressive.Network Cables. I tested several UTP Ethernet network cables with RG-45 connectors and the device’s screen display showed a network diagram, the speed of the cables and whether or not they were defective or useable. This permitted me to identify the type cable and if it was good or needed repair or replacement. Testing is easy there is an included plug that goes on one end of the cable and the other end goes in the tester.HDMI & VGA Cables. I have a number of cables on-hand and suspected some were non-operational and was also curious to know if as required for my specific TV I had actual high-speed cables connected. In testing several revealed they were defective, no picture, and I could confirm that my TV was connected with the specified high speed cable. Testing is easy just disconnect the cable from the TV and plug it into the tester, then select the proper cable and software from options on the device screen and the cable specs are displayed.Audio Cables. I have a big bin of audio cables and suspected some in the group were defective. Testing is easy—plug one end of the audio cable into a sound source and the other end into the tester. If operational the tester’s built-in speaker will play the sound.USB Drives. The device confirms if a USB drive is operational and also permits a review of the contents. There were a couple of minor issues—the device did not detect whether the drive is USB 2 or USB 3—it identified them all as USB 2. I don’t know but this may change with a future update. Also, the manual states to use the Media Player option on the screen for USB testing which at the time of this review is actually the Document option.Analog Cameras. Using the included adapters I connected it to an analog camera in my home security system to first position the camera and then check specifications to ensure the camera and cable were operating correctly. For example the screen displayed that the camera and cable were delivering 1080p at 30 FPS.Included with the device is a hard shell storage case, network cable test tool, AC power adapter with an included USB A to USB micro cable, a wrist strap, a lanyard and 4 adapter cables. Battery charging time to full capacity was 3 hours and after testing all of the above only half the charge was depleted. Excellent functionality—saves time and money.