A 34.4190 Specification Magnification 25 X ~ 400X ( Manual ) Focus Range 0mm ~40mm Lens Microscope Lens , M12 Frame Rate 30 f/s Under 600 Lux Brightness Image Sensor Color CMOS Sensor Controller High Speed DSP Interface AV interface Power Supply 5V DC/110V~240V adaptor Illumination White Light 8pcs LED Display System NTSC or PAL (Option) System Requirement Pentium Computer with 700M Hz & Above , 20M HD Space CD ROM Driver, 64MB RAM , Direct X VGA Card Accesseries Metal Fix Stand, Color box, Calibration ruler, User manual