Full Details from Amazon.com : http://www.amazon.com/gp/product/B0007KX4VU?tag=onigi-20

Apple iSight Video Conferencing Webcam with Autofocus Model M8817LL/C

Video conference easily over broadband Internet
640 x 480 resolution with 24-bit color at 30 frames per second
Built-in noise-suppressing microphone
Includes 3 stands and can be clipped to the top of an LCD display for a more accurate centered video image
Autofocus from 2 inches to infinity