 "Logitech C920 Webcam 30 fps Black USB 2.0 (960-000764)" (960-000764) from Solid Signal"
"This flexible and adjustable HD webcam by Logitech outperforms built-in webcams.  Connect with everyone in Full HD 1080p on Skype, or in fluid HD 720p on FaceTime for Mac.  Also make high-quality video calls with Google Hangouts and video-calling clients. Even chat with your Facebook friends with video calling powered by Skype or Facebook Messenger." 
 "Logitech® BCC950 USB Full HD 1080p UC Conference-Cam"@en-gb 1080p... | 960-000867 £190.99 Insight UK"@en-gb
"It combines HD 1080p 30fps video with high-quality full-duplex speakerphone clarity for business-grade video conferencing. UVC H. 264 onboard technology helps ensure quick Plug-and-Play functionality on both PCs and Macs - no software to install. The built-in, full duplex speakerphone and noise-canceling microphone allow all meeting members to hear and be heard clearly up to 8 feet away from the base."@en-gb 
 Logitech BCC950 ConferenceCam - web camera Device Type Web camera - pan / tilt / zoom Audio Yes: built-in speaker, built-in microphone Connectivity Technology Wired Camera Colour Max Resolution 1920 x 1080 Focus Adjustment Automatic Panning Range (degree) 180 Tilting Range (degree) 55 Interfaces USB 2.0 Cables Included 1 - USB cable - 2.4 m Features USB 2.0 compatibility, Carl Zeiss optics, Skype compatible Manufacturer Warranty 2 years warranty Microsoft Certification Compatible with Windows 7