USB 2.0 webcam with real optical zoom is the way to go for high quality USB video conferencing in the conference room or larger space. The model 3x is the ideal entry level conferencing camera for small to medium sized rooms. The HuddleCamHD line of cameras are the perfect cameras for professional video conferencing. Designed with a wide variety of conferencing setups in mind, there is a HuddleCamHD solution that will work for any situation see all models . Offering superior quality at an affordable price, the entire HuddleCamHD line of cameras is easy to setup and ready to use in a matter of minutes. Model 3x features Zoom: 3X Optical; Resolution: 1920x1080p; Field of View: 81 Degree; Frames Per Second: Up to 30 fps; Connection Cable: USB 2.0; RS 232: Yes, In and Out Presets: 64 Mounts: Ceiling and Tripod mount included 232: Yes, In and Out Presets: 64 Mounts: Ceiling and tripod mount included, wall mount available. These USB solutions are compatible with Windows 7,8 and Mac OSX and with just about any software based conferencing solution installed, on your server or in the cloud e.g. Skype, Lync, Google Hangouts, WebEx, GoToMeeting, Zoom.US, etc... Color: Black or White; Warranty: 2 Years.