Screen Maginifier which Reduce Eye Strains against blue radiation Suitable for Under 7 inch Smart Phone Watch Movie and easy to read Text (words/sentence) With Big 7.8 inch Screen . Material : ABS Acrylic Lenses . Portable : easy to carry , Light Weight Screen Maginifier . USB light : Used on Many Applications , For Laptop to view Key in Dark , also Used with Power Bank under Power Failure. Package Includes : 1 Screen Maginifier , 1 USB Light