This Blackmagic Design Smartview Duo monitor, version 4.0.7, doesn't come with a power supply. It features a dual 8-inch LCD display. There's a small scratch on the left screen.

Using this monitor is simple. Just connect it to your device without the need to worry about the power supply as it's not included. When you start it up, you'll enjoy the dual 8 - inch LCD display. But be aware of the small scratch on the left screen, which doesn't affect normal use but might be noticeable in some lighting conditions. To maintain it, keep it in a clean and dry place. Wipe the screen gently with a soft, dry cloth when it gets dirty. Avoid using harsh chemicals as they can damage the display. That's all you need to know to get the most out of this monitor.