This ready-to-install kit virtually eliminates guesswork when selecting accessories. This kit combines the incredible performance and reliability of a hardwired security systems with easily-expandable hardwire and wireless products, giving you the best of both worlds. Although the primary panel is a 8 zone hardwired system expanding the number of zones is simply a matter of adding additional hardwire zone expanders or a wireless receiver. Kit comes with the most commonly-needed accessories for a basic system. DSC is known for its ability to design and manufacture innovative and reliable feature rich intrusion security systems