Portable Projector Movies Screens, Small Desktop Manual Retractable 4K HD Projector Screen, for Indoor or Outdoor, School, Home, Office(20in/4:3)

4K HD Projection Screen: This small-sized desktop screen is made of high-quality white fiberglass and supports 4K HD image quality. Although it is small in size, it can still provide you with an excellent projection experience
Diffuse Reflection Eye Protection Principle: The screen can be placed on the desktop and pulled open for use. It adopts the principle of diffuse reflection. Even if you watch for a long time, it will not damage your eyesight and effectively protect your eyes
178° Wide Viewing Angle: Although the screen is designed with a smaller size, it still supports a 178° wide viewing angle. Even if multiple people watch, they are not restricted by the viewing angle
Sturdy Frame: The screen is supported by the aluminum alloy shell at the bottom, which is not easy to be damaged or deformed. The aluminum tube support shaft is used at the back to provide reliable support for the screen
Portable and Easy to Store: The screen is small in size and can be directly stored in the aluminum alloy shell at the bottom when not in use. It is small in size, light in weight, and easy to carry