Highlights Skin detector, microelectronics & electronics, precision check (pcb or pcba), smt welds precision, hardware etc, Jewellery & textile products, & collected coins inspection, money detector. Magnification Ratio: 70 X Power Supply: USB (Universal Serial Bus) port (5V) Interface:USB 2.0 Focus Distance: 2.8mm Image Sensor: Color CMOS Sensor Controller: High Speed DSPLens: Micro-Scope Lens Snap Shot & Video: Yes Still Image/ Video Capture Resolution: 640x 480, 1280x 960, 1600x 1200, & so on, up to 20MPFrame Rate:30 fps Operation System: Win XP, Vista, Win 7 32 bit & 64 bit. & Mac 10.0 above Specifications Weight Approx (Kg):0.1316 Size Approx (CM):15 x 11.9 x 3.5 Package Contents 1 70X Portable USB (Universal Serial Bus) Microscope;1 CD;1 guarantee Card.