Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. 40X Jewelry Eye Glass Magnifier LED Light Jewelers Loop Pocket Description: Colors: Black, Magnification: 40 X Lens diameter： 25 MM Weight: 58 g Material: aluminum alloy, ABS and Acrylic Size: 58mm*33mm*25mm Button Battery: 3 X LR927 (Included) Features: 1. Wide Application Range: offices, hospitals, schools, printing,, electronics, collection, jewelry appraisal, mechanical processing and so on. 2. Small size, take and keep easily. 3. With LED lights, can use in dark. 4. With 40 X magnification, very clear. How to Replace the Batteries: Insert the key attached this product into the two holes of battery cover, turn anticlockwise to loosen battery cover, take out old battery and then put new battery inside, finally turn the cover board clockwise to tighten it. Package including: 1x magnifier Description: Colors: Black, Magnification: 40 X Lens diameter： 25 MM Weight: 58 g