As compare to being reminded that you are using heavy electricity, Sky Microwave came out with Smart Power Socket. It turn off your the power supply to the socket when there is no one around. It has the intelligent to automatically turn on the power when someone come back the house. It save the electric from idling and forgeting to turn off appliances. It also built in with settable delay timer when to turn off power after detecting no one around. The coverage areas and distance can be adjusted as well.