... Manual adjustment ,Auto W/B by softwareMagnification Ratio 25 X ~ 400X ( Manual )Power Supply USB Port ( 5V ... ROM Driver,512MB (1G Recommended) RAM , Direct X VGA CardCD disk Driver and Micro-Measure ToolFix Stand ... view angle available fix standDimension 113 mm ( L ) X 33 mm ( R )Weight 325 gPackage:1.5M ... Stand, color box, simple user manual 400 X Zoom Digital Microscope Video Camera 8 LED Handheld ...