Us-vision USB 500x 800x 1000x 2.0 Mega Pixel Digital Microscope Endoscope Magnifier 2mp 8 LED Compatible with Windows Xp/ Vista/ 7 8 and Mac Os 10.5 or Above for Micro-measure Work, 50-500x, 50-800x, 50-1000x Magnifier Video Camera Zoom (1000x)