Fangrui Product Details 1.3 Mega Pixels 500x Usb 2.0 Digital Microscope With 8 Led(black) Color Cmos Sensor, High Speed Dsp (driver Free Available), 16 Bit Dsp, Resolution 640×480, 5×digital Room Usb 2.0 & Usb1.1 Compatible 1)image Cmos Sensor 2)controller High Speed Dsp(driver Free Available) 3)focus Range 0mm40mm 4)snap Shot Software And Hardware 5)video Capture Resolution 0.3m 6)light Source In-built White Light Led ×8 Pcs 7)still Image Capture Resolution 640*480 8)frame Rate 30fs Under 600 Lux Brightness 9)digital Zoom 5× Sequence Mode 10)brightness Control Manual Adjustment 11)magnification Ratio 25×200× (manual) 12)power Supply Usb Port(5v Dc) 13)usb 2.0 & Usb 1.1compatible 14)operation System Win Xp, Vista, Win 7 32 Bit And Bit. 15)language: Chinese, English 16)system Requirement Pentium Computer With 700m Hz & Above,20m Hd Space Cd Rom Driver, 64mb Ram, Direct × Vga Card 17)cd Disk Driver And Micro-measure Tool 18)dimension 112 Mm(l) × 33mm(r) * Applications: 1)skin Inspection 2)hair Inspection 3)education Purpose Inspection 4)print Industrial 5)industrial Inspection: Pcb, Material... 6)jewellery & Stamp(collections) 7)textile Industrial 8)biological Inspection 9)others