Compatible: A7M2 A7M3 A7RM2 A7RM3 A7RM4 A7SM2 Retina and HD Super Amoled Compatible High Quality Screen Protector Specially Formulated Poly-silicon Base Adhesive Self-intal lation Bubble Free Feature: Glass Membrane made with speclally processed tempered glass to protect screen of the device from shocks and scratches. It is very effective in absorbing the impact. Surface hardness: 8-9H Tempered glass protector is made of chemical processed glass. Which has excellent window display. high sensitivity and comfortable touch feeling. Anti-shattered film (highly silicone coated). Sensitive touch, mirror Function. Quantity: 2pcs.