Apexel 60X Mini Microscope LED Micro Lens with Back Case for Samsung Galaxy Note 2 N7100 Compact design provides 60x magnification Illuminated by LED which provides enough light in any dim conditions Come with hard plastic back holder case, it can be installed on the back case of Samsung galaxy note 2 It is powered by 3 * LR1130 batteries (included). Great for the observation of stones, coins, stamps, etc.