Room Control Unit (RCU-01) is core unit of Smart Home embedded with 3 universal bus terminals to support control, heating/cooling and alarm system. RCU support TCP/IP and easily programmable from mobile app. The system performs multiple security and control functions: besides ensuring optimum air quality and temperature, it creates customized lighting moods, controls shutters and monitors movement. The system includes a Room Control Unit, Digital IO Modules, AO Modules, Multi Zone Controller, Smoke Alarm and Presence Sensor.