Portable Desktop Projection Screen, Manual Pull Down HD Screen for Home Cinema Theater Presentation Education Outdoor Indoor Public Display,Retractable Projection Screen(16:9,40")

Material: The manual projection screen is made of white fiberglass, with high-definition picture quality and good anti-light transmission, bringing you and your family a high-definition visual experience. It can be used on various flat surfaces such as desktops, and the angle can be freely adjusted.
Desktop projection screen: The portable projection screen can be placed on a flat floor or tabletop, is easy to install, and comes with a sturdy base for added stability. In addition, the thickened aluminum alloy shell is sturdy and durable
Wide Application: The HD projector screen can be placed on any flat ground or tabletop, can be used indoors or outdoors, and can be installed in countless ways. Perfect for mobile meetings, video games and movies, travel, home theater, office presentations, school meetings, backyard movie nights, and more.
Easy to use: The retractable projection screen can be easily pulled out when in use and retracted back into the screen housing after use. It only takes 1 minute to install.
16:9 ratio: wider screen ratio, very suitable for home theater, watching movies, playing games. 4:3 ratio: the screen is close to square, mostly used in office classrooms, conferences, commercial training