Multifunctional electronic device with controller for displaying data and controlling subsystems within the home environment, namely, turning on and off lights, turning on and off thermostats, turning on and off the air conditioning system, turning on and off alarm systems, turning on and off motion sensors, turning on and off window sensors, turning on and off smoke detectors, turning on and off video cameras, setting timers for lights, setting timers for thermostats, setting timers for the air conditioning system, setting timers for alarm systems, setting timers for motion sensors, setting timers for video cameras, setting brightness and dimness of lights, setting and monitoring security alarms, motion sensors and window sensors, monitoring smoke detector battery life and alarms, management of heating and cooling systems though control of the thermostat, the home humidifier, and the air conditioning system, and arming locks within the home, all via the internet range extender