Support Plug and Play above operating system such as Win98/Win2K, easy to be installed. Use USB interface. Use high resolving power CMOS sensitization chip Auto white balance. Auto brightness adjust. Stationary picture capture. Support dynamic AVI video capture. Support TWAIN specification. Get the pictures which you want using image edit software. Can adjust the focus by your hand. Image sensor: 1/4 CMOS sensor Resolution : 160 x 120 (QSIF), 176 x 144 (QCIF), 320 x 240 (SIF), 352 x 288 (CIF), 640 x 480 (VGA) Video Mode performance:160*120,320*240,CIF,QCIF Data format:RGB24,I420 Frame rate:30 PFS(CIF);10～15 PFS(VGA) illumination:2.5 Lux SNR(signal Noise Retio):>48db Definition:>300TV Line Lens:F2.0/f3.6(4G+IR) White-balance:automatic exposured:automatic Storage(T/H):-20C to+40C Operating(T/H):0C to+40C