FIELD: human life necessities satisfaction.
SUBSTANCE: vacuum cleaner is described according to one aspect of the invention, including a main body of a vacuum cleaner with a suction motor to generate a suction force, a suction element communicating with the main body of the vacuum cleaner to suck air and contaminants, a battery assembly that can supply power to the suction motor, a user interface that can select the power of the suction motor, a mode selection member to change the set power of the suction motor, corresponding to the value of the suction motor power, and a controller controlling the suction motor based on the mode selected on the mode selection member, and the magnitude of the suction power, selected on the user interface.
EFFECT: operability growth.
15 cl, 6 dwg
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