Specifications: 1) CMOS sensor with 1.3 Mega pixels 2) USB 2.0 interface 3) Compatible with USB 1.1 interface 4) Night vision function 5) Optional micphone 6) S/N rate:>48dB 6) Automatic white balance 7) Automatic exposure 8) Output format: RGB 24 or I420 9) Focus range: 3cm ~ infinity 10) System requirements: Windows 98/2000/ME/XP/2003