Feature: 1. 4.3 Inch Large Screen: USB digital microscope has a 4.3 inch large screen without ghosting, delay or tearing, effectively protecting your eyes. 2. Supported Devices: The USB digital microscope supports any TV or monitor with high definition multimedia interface port in the laboratory, factory, classroom or at home. 3. Resolution and Magnification: USB digital microscope has 1280x720 resolution and 50X to 1000X magnification, supports for Win7, for Win8, for Win10 system. 4. Wide Application: This digital microscope is perfect for circuit board testing, soldering, watch repair, textile industry, coin identification, educational testing for children, jewelry, stamps, plants, etc. 5. Ideal Gift: Our USB digital jewelry soldering microscope is the ideal gift, you can give it to children, students and hobbyists on holidays or birthdays, very meaningful. Specification: Item Type: Microscope Material: ABS Magnification: 50X-1000X Resolution: 1280x720, 640x480 Focusing Range: 10-40mm(0.4-1.6in) Support System: For Win7, For Win8, For Win10 Display: 4.3 Inches Transmission Method: Micro USB2.0 Power Supply Method 1. Battery AA x 3 (Shipped Without Battery) 2. Charging Cable Power Supply. Package List: 1 x Microscope Body1 x Data Cable2 x Observation Bracket