Qooltek 60X Zoom LED Clip-type Loupe Microscope Jewelry Magnifier Jewelry Loupe Magnifier Micro Lens for Universal Mobile Phones 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 your phone It is powered by 3 * LR1130 batteries (included). Great for the observation of stones, coins, stamps, etc.