Welcome to our store! 1. Uses 3 AAA batteries (not included) or connects directly to the power supply, ensuring sufficient power to avoid the hassle of frequent battery changes. 2. High-quality optical lens with high transparency and high-definition imaging for a full field of view. 3. Includes a 3X large lens, a 25X medium lens, and a 4.5X small lens to meet various requirements. 4. 10 high-brightness LED light chips provide uniform illumination, making it easy to read at night without eye strain. 5. Made of metal and plastic materials, it's comfortable to hold, easy to use, and suitable for repair and maintenance work. Item Type: Desk Magnifier Material: Metal + Plastic Use: Can be used during maintenance, convenient for your maintenance work, also suitable for reading, LED light facilitates night reading Lens Size: Approx. 72 mm / 2.8 inches large lens 30 mm / 1.2 inches medium lens 22 mm / 0.9 inches small lens Power Supply: 3 AAA (not included) or direct power supply connection Usage Steps: Place the item directly on the iron plate for enlarged observation, or install the auxiliary clip to secure the object under the magnifying glass for observation. 1 x Magnifier 1 x USB Cable 1 x Iron Plate 2 x Auxiliary Clip 2 x Screw 1 x Accessory Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.