
Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Focus range:3CM-infinity
2.Video Format:24-bit RGB
3.S/n better than 48dB
4.Interface:USB
5.VFW Interface: Support dynamic and still image snap
6.Dynamic Range better than 72dB
...

Features:
Mic type: 9mm x 7mm
Impedance: maximum2.2k
Sensitivity: -58dB ± 2dB (0dB=1V/pa)
Directivity: omnidirectional
S/N ratio: more than 60dB
Sensitivity reduction: within-3dB at 1.5V
...

Support multi languages, fit of 107/108/109/110 key caps
Windows98/Windows2000
WindowsME/WindowsXP
Design 3 layers film key,
Engrave letter
PS/2 or USB standard interface.
Electronic Data:...