The average cost of a home security system that includes advanced motion detection and facial recognition technology can vary depending on factors such as the size of the property, the number of cameras required, and the specific features of the system. However, on average, homeowners can expect to invest anywhere from $300 to $1,500 for a comprehensive security system with these technological features. It is important to consult with security system providers to get accurate pricing information tailored to individual needs and preferences.