The Macally IceCam2, USB 2.0 webcam with built-in microphone, is truly plug and play. As a Windows PC compatible webcam, it does't require any additional software and is inmediately recognized by your computer. The Macally IceCam2 has an adjustable focus lens with a resolution of 640 x 480 VGA for high quality video and a microphone for video calls in applications such as iChat and Skype. The Macally IceCam2 works with Yahoo! Messenger, aMSN (Mac only) and Live Messenger (Windows only) as well. System requirements - USB port; Mac OS X v10.4.11 or later; Microsoft Windows XP SP2 / Vista.