There are several screen types that do not work with Casper™, including 3D displays, Microsoft Surface Hubs, Barco video walls, OLED displays, plasma screens, and projection video screens.
The distance from screen to film material is about 1-2meters, testing result shows that most led screens works with nano cloaking film standard vertial 0 degree version, projection screen do not work, and some of the OLED screens is workable while some are not.