Depending how how large your hard drive is - computers these days have from 250GB to 2TB
It depends what media you use to store the images, and the type of camera. Hook a monochrome CCTV camera to a PC with a terabyte of hard-drive space, and recording one picture per second it will store months of images !
250gb
There are many places where one can find setup information for a CCTV dome camera kit. One can find setup information for a CCTV dome camera kit at popular on the web sources such as Home-CCTV and CCTV Camera Pros.
That depends on where you are
There are many things that the acronyms CCTV and PTZ stand for. Typically, CCTV stands for Closed Circuit Television and PTZ stands for Point Tilt Zoom.
Closed circuit televisions (CCTV) is very prevelant, especially for private security. Many buildings, stores and others use CCTV for security purposes.
CCTV or Closed Circuit Television is used in many locations. Motels and hotels use CCTV to make it a safer place for guests. Some apartment buildings use CCTV to make tenants feel safer. CCTV is also used on street corners to monitor crimes or accidents. CCTV is also used in jails and other types of public buildings. Stores use CCTV to help control theft.
too much !
You can find a cctv system in many stores like best buy, circuit city and many others becareful and make sure you purchase the best one though. I like the cctv system definatley purchase one.
How many they'll need...
There are many different places offering cctv systems in Iowa. The one which is right for you depends on your price range and location. One of the places that you could purchase a cctv in Iowa is http://www.vs-us.com/Iowa-CCTV-Security-Camera.html .