Protects against prying eyes: Good protection against prying eyes due to the mirror effect of the protective film during the day, protects against prying eyes from neighbors. From the inside you can see as usual. Since the interior lighting is on at night, the interior scene is visible from the outside. Don't forget to put up a curtain at night. Sun protection film: In strong sunlight, the room remains in pleasant light, blocks 99% of UV rays and 85% of infrared rays. In winter, the power output inside is maintained by saving energyWindow film for inside and outside: Please make sure that this is only used on single-glazed windows indoors, otherwise the heat development becomes too great and the glass pane may crack. Therefore, always put the film on the outside of double and triple-glazed windows. Protects against sun reflections: The window film ensures a slight darkening in the room thanks to the light tint, but also protects against sunlight. The light is very pleasant, you can