1600X USB Portable Mini Electronic Microscope Handheld Digital Magnifier for Laptop Desktop Insect Skin Plant Observation Industrial Testing Circuit Board Detection Knitwear Testing Material: Plastic Image Sensor: CMOS Image Resolution: 640*480, 1920*1080 Video Resolution: 640*480 Focusing Mode: Manual focus Focus Range: 15-40mm Frame Rate: Up to 30FPS   Sensitivity: 2.5V/lux.s    White Balance: Auto Exposure: Auto Lens Structure: 2G + IR  Max. Sound to Noise Ratio: 42dB    Available Image Format: BMP/JPG Available Video Format: AVI Adjustable Illumination: 8 Built-in LED diodes PC Interface: USB 3.0/2.0/1.1 USB Powered: 5V direct current Computer System: Replacement for Win10, Win8, Win7  Aperture: F4.5                                                                                         Camera Angle : 16°                                                                                           Port: USB2.0                                                                       Working Temperature: -20℃---75℃                                                                             Working Humidity: 30%~90%Rh                                                                               Working Current: Max. 120mA Stand Height: 11cm/ 4.3inch Product Size: 11.4 * 3 * 3cm/ 4.4 * 1.1 * 1.1inch Product Weight: 78g/ 2.7oz Package Size: 14.5 * 10 * 4.8cm/ 5.7 * 3.9 * 1.8inch Package Weight: 180g/ 6.3oz