1. Material: Aluminum alloy + plastic + acrylic optical lens 2. Magnification: 40x 3. Battery: 3xLR927 button batteries 4. 25mm high-transmittance optical lens, 40x high magnification 5. Built-in LED fill light for detailed observation even in low-light environments 6. Unibody aluminum alloy design, wear-resistant, shock-resistant, and durable 7. Suitable for jewelry and diamond appraisal, watch movement repair, coin and stamp collecting, circuit board and electronic repair, and detailed inspection of miniature models; ideal for professional craftsmen and collectors. 8. Independent light button for one-button LED light on/off.
