Carebol Mini 60x Microscope LED UV Light Pocket Jewelry Magnifier Jeweler Loupe Currency Magnifier Adjustable Loupe Silver Lens magnification: 60X, Size:1.41*1.57*0.78(inch).Lightweight, easy to carry Material: Acrylic+ABS+Metal, Color: Silver Battery Type: 3 pieces LR1130 Button Cell Batteries (included)Open the battery cover, press down gently, and veer, then it will switch on Perfect tool for rock collectors, collectors, jewelers, watchmakers, coins and stamp connoisseurs and a good gift for children to explore the mysterious little world Bright led light and UV light: you can press the led light on the condition of insufficient light. Moreover, UV light can help detect currency,passport,credit cardand travelling check,etc