Information on switcher cameras can be found at a variety of online websites. Some examples include but are not limited to www.nextag.com/camera-switcher/shop-html and www.alibaba.com
Switcher - 2011 was released on: USA: 29 October 2011 (internet)
Switcher - 2011 1-1 was released on: USA: 29 October 2011
Switcher - 2011 1-2 was released on: USA: 28 January 2012
Switcher cameras of a wide variety can be found for sale at the nextag website: http://www.nextag.com/camera-switcher/shop-html . Alternatively you can buy the cameras wholesale at http://www.dhgate.com/wholesale/camera+switcher.html .
CCTV Cities was created in 2008.
CCTV Channels was created in 1958.
CCTV News was created in 2000.
A workspace switcher allow one to have four (by default) different websites or files, etc. open on the Workspaces Utility and switch from one to the other at will.
Under CCTV Surveillance
One can buy a CCTV system in China from the Borsche CCTV website. They are also available to buy from Swan CCTV or online from eBay either used or new.
CCTV = Closed Circuit TV. It's a system, not a machine.