Types and effects: 1. High Definition: High Definition is transparent and does not affect the light transmission of the screen, making the screen clearer. 2. Frosted: Only the frosted effect can effectively prevent fingerprint residue (except for glue and large amounts of oil stains). 3. Privacy: Effectively prevent people on both sides from peeping at a certain distance. Protect privacy and security. 4. Frosted anti-blue light: It has a frosted effect to effectively prevent fingerprint residue; it also has an anti-blue light effect to protect the eyes and face from blue light radiation. 5. Anti-blue light: Anti-blue light effect, protect eyes and face from blue light radiation. 6. Frosted privacy: It has a frosted effect, which effectively prevents fingerprints from remaining; it also effectively prevents people on both sides from peeping at a certain distance. Protect privacy and security. Scrub type, privacy type mobile phone film, if you don't open the hole, your mobile phone lens can't be used at all. Sellers don't make useless designs.