Image CMOS Sensor Controller High Speed DSP (Driver Free available) Focus Range 0mm ~ 40mm Snap Shot Software and Hardware Video Capture Resolution 0.3M. Built-in 8 White-light LED and adjustable illumination ensure the magnified images are clear and bright Still Image Capture Resolution 640*480 Frame Rate 30 f/s under 600 LUX Brightness Digital Zoom 5X Sequence Mode Brightness Control Manual adjustment Magnification Range 50X ~ 500X (Manually) Power Supply USB Port ( 5V DC ) USB 2.0 & USB 1.1 Compatible Operation System Windows XP, Vista, Win 7 32 bit and 64 bit. Language: English, Chinese and other language by selection System Requirement: Pentium Computer with 700M Hz & above, 20M HD Space CD ROM Driver, 64MB RAM, Direct X VGA Card CD disk Driver and Micro-Measurement ToolProduct dimension 112 mm ( L ) X 33 mm ( R ) Product net weight: 380g