... warranty 3.CE The product is an advanced double binocular operation microscope designed for two men, with the illumination source ... for Main Microscope: Zoom, 4.6×-27×, motorized and manual control Continuous MagnificationMagnification for Assistant Microscope: 6×,10×,16×Diameter ... 2007Packing Volume: 0.856m3,5cartons Total Gross Weight: 230kg operation microscope GOM-12 of GD medical