Apexel 63x Magnification Zoom LED & UV Mini Microscope Micro Lens with Back Case for Samsung Galaxy Note 3 N9000 Compact design provides 63x 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 3 It is powered by 3 * LR1130 batteries (included). Great for the observation of stones, coins, stamps, etc.