Principle The Holographic Screen is a holographic rear projection screen for point-of-sale applications, a dynamic display for retail stores, window displays, airports, banks and other high traffic areas. Available size for hard screen up to 150 inch, for film up to 1.5m*200m Rear injection differs from 22-36 degrees. The image is bright and clear. Hiwod touch Holographic Screens are excelent for making images that look like holograms without the cost or danger of lasers. The screen can make a high resolution, full color video image that is better than a real hologram. When you need the effect of a holographic projection, Hiwod touch Holographic Screens are an easy way to go. The screen works with a standard video projector. Advantage and Application: High transparency, high illumination, high contrast Displaying the live-action and the image at the same time The best solution for shop window advertising for indoor and outdoor Display video, DVD, TV, computer The best angle for projection: 22-36 degrees Application field: Shop, window show, airport, bank, and other crowded place for publishing and sale entertainment occasion, bar, KTV, DISCO, dining-hall to intensify the atmosphere stage, pub hall Technical parameters: Gain: 4(+/-0.5) Transparency: 87% Color: light blue, transparent Material: acrylic acid, color crystal Projection: We suggest the best angle of incidence is 32 degree Kink and size: We have hard screen and film screen. The hard screen is 3mm thickness, and 3m*2m large. The film is 0.3mm thickness, 1.5m width, 200m long. Any size can be customized