PURPOSE: A network system and component thereof are provided to recognize energy information and additional information by performing communication of a component and to effectively manage energy source. CONSTITUTION: An input unit(73) selects an operation mode. A memory unit(74) stores basic information for prediction operation information when operating the selected mode. A control unit(71) predicts the operation of the selected mode through basic information which is stored in the memory unit. The predicted information is energy information and additional information. The energy information includes prediction energy consumption information.
