This rechargeable 10x loupe means you'll never need to change the batteries again! This jeweller's loupe has a built-in lithium battery that charges via a Type-C USB cable, making it more convenient to power. It is great for use in and allows you to view the tiny world at any time and in any place. Put the magnifying glass on any small object you want to see. Then, turn the top part of the magnifying glass can clearly see the item. The 10X Loupe Magnifier has three reticle scales for measuring small objects. You can remove it when you don't need it. This rechargeable jeweller's loupe with light has two lighting modes: four white LED lights and four UV. Just press and hold the button to make the lighting brighter or darker. You can adjust it to be as strong or as weak as you like. Choose the right brightness for the environment you're using it in. The magnifying glass is small and light. It is made of strong ABS plastic with a black paint finish, so it is quite and hard to damage. You can put it in your bag when you go to the suburbs or the memorial. This is a professional magnifier.