Compatible ModelInclude : 3 Pack 3D Curved Protector for Amazfit GTR 4 Easy Installation : Just peel off the back of the protector, align the screen protector (please watch the steps in the manual) If there are small bubbles on the dial, don't worry. Just push them to the edge, and then press the edge with your thumb. All bubbles will disappear! 3D-Curves Edges Full Protection : This screen protector is made of high-quality PET+PMMA composite material. 3D-Curved Soft Edges provide maximum protection from side to side. Due to the characteristics of this material, it will not break when the edge is impacted like tempered glass. Compared with the traditional TPU/PET material, due to its higher strength, it can better prevent the watch from being scratched. HD Clear,maximum resolution which keeps the bright and colorful image quality. Sensitive touch : The protective film maintains the watch's quick-response sensitivity, ensuring quick application launch. Enhanced hydrophobic and oleophobic coating reduces fingerprints and keeps surfaces clean at all times