Call in HD Enjoy widescreen HD 720p video calls on most major IMs. Smile Your friends and family will see you in lifelike detail with 3-megapixel photos. Speak out You can be heard loud and clear thanks to a built-in microphone that reduces background noise. IM compatibility Works with Skype, Windows Live Messenger, Yahoo! Messenger, and other popular instant messaging applications. Automatic light correction It automatically adjusts the image during your call, so you look your best even in dim light. Smoother. Sharper. Richer. Clearer. Logitech Fluid Crystal Technology. It’s what makes a Logitech webcam better. It’s smoother video, sharper pictures, richer colors and clearer sound in real-world conditions. Specification What you need: Windows Vista, Windows 7 (32-bit or 64-bit) or Windows 8 Basic requirements: 1 GHz 512 MB RAM or more 200 MB hard drive space Internet connection USB 1.1 port (2.0 recommended) For HD 720p video calling and HD video recording: 2.4 GHz Intel® Core 2 Duo 2 GB RAM 200 MB hard drive space USB 2.0 port 1 Mbps upload speed or higher 1280 x 720 screen resolution