As mobile working and living become increasingly popular, portable LCD monitors are gradually being widely used. However, choosing a portable smart screen monitor that matches your device can be tricky for many people. In this article, we will discuss how to choose the appropriate portable display for your needs and go over some evaluation criteria. I. Types of Portable LCD MonitorsThough many small desktop displays can be easily moved in a pinch, true portable LCD monitors specifically designed for this purpose range in size from 3.5 inches to 22 inches. They cover a variety of personal, business, and general-purpose models, as well as panels for artists and gamers.II. How to Choose External monitorsThere are several factors to consider when choosing a USB portable monitor:1. Screen Size and Resolution. Many users prefer to use a portable monitor with the same screen size and resolution as their laptop screen. However, a slight difference in size or resolution won't significantly affect overall performance as long as the aspect ratios match up.2. Brightness. The ideal brightness setting depends on the usage environment. For example, brighter settings may be needed for outdoor use.3. Monitor Technology. Common technologies utilized in portable LCD monitors include IPS, VA, TN, etc. Each technology has its pros and cons, and the choice depends on your specific needs.4. Color Gamut Coverage. Different LCD monitors have different color gamut ranges to choose from.III. Evaluation Criteria:When evaluating portable LCD monitors, the following criteria should be considered:1. Visual Performance. Review the monitor's clarity, color depth, and color accuracy, which can impact image and video viewing. Also, check out the monitor's reflectivity and viewable angle.2. Usability. Check the layout and functionality of the different types of keys, especially the function buttons and knobs above the screen, to ensure easy navigation and touch usability.3. Portability. Consider the weight, size, and type of support for the LCD monitor. It is best to select a collapsible tray and store it on a substrate to reduce overall weight and make it easier to carry.Conclusion: Key factors to consider when choosing a portable laptop monitor include screen size, resolution, brightness, technology, and color gamut coverage. With these evaluation criteria, selecting a portable travel monitor that meets all your needs has never been easier.