This book complements the home electronics installation and service book, as discussed in the home installation and service book about CCTVs and their analogue systems and classification, to complement the knowledge of instructors and students of this book on image feedback systems under Network is allocated. Network cameras and an overview of their initial configuration, which is the basis of current video surveillance systems, are covered in this book, and 12th-grade students will be able to complete the first step on CCTV by reviewing these two books.