... ); 2.Magnification Ratio: 20x to 200x. Functions1. Image sensor: 1.3 Mega Pixels (interpolated to 2M)2.Still capture resolution: 1600x1200 ... 640x480, 352x288, 320x240, 160x1203.Video capture resolution: 1600x1200 (2M), 1280x1024(1.3M), 1024x960, 1024x768, 800x600, 640x480, 352x288, 320x240, 160x1204.Focus Range ... Aid;On-line chatting;Teacher Add as Project ;Presentation. 1.3M USB digital microscope