This item was removed from a working system and is functional-- The item is being sold "NO REFUNDS" The OmniPro II is Leviton s flagship comprehensive security automation control system. Boasting the largest feature set, it can control the maximum number of devices and is designed to provide security and automation for large residences and small commercial installations such as restaurants, offices, and franchise locations. In addition to connections for security devices, thermostats, light switches, surveillance cameras, telephone and backup battery, the OmniPro II features five built in serial ports for connection to third party control devices for irrigation, telecom, A/V, and window covering controls. Omni controllers can detect intrusion, smoke and fire, carbonmonoxide, water, vehicles, motion, and other hazards with wired or wireless sensors.