T&J WORLD TM 50 To 500X 8-LED USB Digital Microscope 2.0MP Video Camera With Hands Free Stand Image CMOS Sensor. Controller: High Speed DSP. Lens: Micro-Scope Lens. Focus Range: Manual Focus from 3mm to 40mm. Snap Shot: Software and Hardware. Video Capture Resolution: 1600x1200(2M Pixel), 1280x960(1.3M Pixel),800x600, 640x480. Still Image Capture Resolution: 1600x1200(2M Pixel), 1280x960(1.3M Pixel), 800x600, 640x480. Video Format: AVI. Snap Shot Format: JEPG. Light Source: White Light LED x 8 (with controller on USB cable). Magnification Ratio: 50X ~ 500X (Manual). Power Supply: USB Port (5V DC). Software: AMCAP(Driver). System Requirement: Pentium Computer with 700MHz & Above, 20M HD Space CD ROM Driver, 128MB RAM, Direct X VGA Card. PC Interface: USB2.0 & USB1.1. Operation System: Windows 7 32 bit and 64 bit/Vista/XP. Dimension: 112 mm ( L ) X 33 mm ( R ). Package Include: 1x USB Microscope, 1x Alloy Stand, 1x CD Driver