Chart showing the penetration of security systems, both in total and by type of system, in U.S. households at the end of 2006. System types include monitored, dealer-installed, and DIY. Fast Facts are single charts, graphs, or tables derived from Parks Associates' consumer research, surveys, and industry analysis. Each piece provides a single focused piece of data, at an affordable price, and is immediately available. Click here for a complete list of Parks Associates' Fast Facts documents. | 
