Features: Experience clear magnification with this handheld digital microscope featuring a 3.0in screen and rapid 0.1second autofocus for precise analysis of jewelry, biological sample, and material structures. Builts with durability impact resistant ABS casing, this lightweight tool offer builts in storage for photos/videos and USB connectivity for seamlessly data transfer to computers. Essential for laboratory technicians, jewelry appraisers, educators, and STEM students needing portable microscopic observation with professional 1080P claritys. Optimized for jewelry authentication under LED light, classroom biology demonstrations, and field research requiring instantly capable documentation. Outperforms traditional microscopes with 50%enhances pictures quality and multifunctional operation across scientific, educational, and hobbyist applications through its autofocus lens system. Specifications: Component:ABS, Acrylic Size:Approx.15.6x13cm/6.14x5.12inch Color: Black Display: 3inch screen 2mp Magnification: 500x Focusing Way: Autofocus Imaging distance: 0-7.5mm Light source: 8LED Beads Photo format: JPG Video format: AVI Power supply: 900mAh Working hours: about 2.5hours Support system: WindowsXP/Win7/8/10/11, Mac11.0 or above Applicable scenario: school, laboratory, factory, jewelry appraisal Package Includes: 1pc Digital Microscope 1pc USB Data Cable 1pc Lanyard 1pc Manual note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.