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Full HD SONY Sensor 4K 2K 1080P 60FPS 2D 3D Video Industrial Measuring Microscope 0.7X-5X HDMI Large Field of View Magnifier

Professional Trinocular Compound Microscope Lab Biological Zoom HD + 7-inch LCD HDMI VGA + Electronic Digital Portable Microscop

XIWBSY 1000ANSI Android Projector 25000 Lumens 4K AutoFocus/Keystone Projector Office Video Home Theater Portable Beamer Outdoor