Handheld Mini Microscope This handheld pocket size magnifying glass is made of high-definition optical lens, metal and ABS. Lens high-definition design, scratch resistance. It is durable enough be used for a long time. High Magnification This item has a magnification of 50X. When observing an object, if the image is not clear, you can stretch and rotate the focus up and down until you see a clear image With Lights With 2 led lights and 1 uv light, makes it more clear when observing little things. Operated by three LR 1130 button batteries (Batteries are included). The switch keys make easy replacement Portable & Practical It is really mini, you can just use 2 fingers to hold it. Weight: 60g. You can put it in pocket and take it anywhere. In addition, it can also be equipped with a clip to install on the phone, and observe the little things clearly through the phone camera. Applications - It is really perfect to do the identification of jade jewelry. And you can read small prints and closely inspect plants more. It can be adapted to different applications and fields, such as: industrial use (watch making, jewelers), coins and stamp collectors, geography, circuit boards and printing, gardening, education, home and office, travel, etc.