OOTDTY This product has many uses, especially for people inspecting small objects and inspecting characteristics. It is ideal for watchmaking industry, jewelry industry, coinage, stamp industry and antique industry. Further applications include PCB maintenance and printing, medicine, gardening, geography, education, home and office, DIY, hobbies and crafts.10mm high-quality lens for extra sharpness and brightness, allowing you to get a very close view of the finest details. Backlit by 2 LEDs (2 LEDs. The magnifying glass's bright LED provides enough light to use the product in a dim environment. On/off switch so that the LEDs can be turned on or off. The pocket size is really useful and convenient because you can use it anytime and anywhere. It has a silver finish and a clear view. How do I open the battery cover? Press the battery cover, rotate to open the specification:How to open the battery cover? Press the battery cover, rotate to openType: 45X Money Sensing MicroscopeMaterial: ABS+MetalColor: SilverLED Quantity: 2 (2 LEDs)Magnification: 45XRlens Size: 10mmPower: 3 * LR1130 Batteries (Included)Size:Quantity: 1 Set