No impairment of display visibility and touchscreen functionality. You will hardly notice any difference compared to an Ulefone Armor X7 without a screen protector. Scratch-resistant due to the specially hard-coated surface! Highly resistant to scratches and abrasion with a pencil hardness of 4H. Compatible with Ulefone Armor X7. Excellent quality ensured by the use of state-of-the-art precision machinery (laser cutting technology) - optimal edge adhesion and very good shape stability. Easy installation! No bubble formation possible on a dust-free display. When applying the film, air is displaced and it adheres to the display as if by itself. Can be removed without residue at any time! Made in Germany - construction, cutting, and finishing at fair wages in Germany.