The main difference between wireless and wired security systems lies in how they transmit data and power. Wired systems use physical cables for connectivity, while wireless systems rely on wireless signals. Wired Security Systems: Depend on cables for power and data transmission. Typically require professional installation due to wiring complexity. May be more reliable as they are not susceptible to wireless interference. Can be more challenging to install in existing buildings due to cable routing. Wireless Security Systems: Operate wirelessly through radio signals or Wi-Fi. Offer easier installation as they do not require extensive wiring. Are more flexible and adaptable, making them suitable for both new and existing structures. May be vulnerable to signal interference, although encryption and security measures help mitigate this risk. The choice between wired and wireless systems depends on your specific needs, property layout, and the level of convenience and flexibility you require for your security setup.