Product Name: 4.3 Inches 1-600X USB Digital Microscope for Industry Inspector Avp028g600 Model NO.: avp028g600 Principle of Optics: Differential Interference Contrast Microscope Principle: Electronic Usage: Teaching, Research Shape: Single-lens Kind of Light Source: Infrared Stereoscopic Effect: Without Stereoscopic Effect Mobility: Portable Number of Cylinder: Binoculars Type: USB Magnification: 100-500X Trademark: ate Transport Package: Box Specification: 50 Origin: China HS Code: 8518900001 Product Description 4.3 inches 1-600x usb digital microscope for industry inspectorMain parameters:1: Pixel: HD 3 .6MP CCD2: Display: 4.3 inches HD OLED display.4: Magnification: 1-600X continuous magnification system.5: Object distance: 15mm-- infinity6: With built-in lithium battery, Continuousworking for 6 hours .7: Languages: English, Spanish, Russian, Korean, Japanese, Thai, Hebrew, Portuguese, German, French, Italy, Turkey, Czech, Poland, Traditional Chinese, simplified Chinese.The High-capacity lithium battery needs about 4 hours to be full charged.When it 's charging,the display will show ,when it's full charged, the display will show