Cleaner

A cleaner, comprising:

• a cleaning portion autonomously suctioning dust in accordance with any one of predetermined rule and procedure;
• a timer for detecting a time;
• an operational button portion accepting an input of a plurality of charge start times and cleaning start time programming;
• a storage battery storing power by charging;
• a memory storing a time period required for charging said storage battery, said plurality of charge start times, and said cleaning start time programming;
• a device for calculating a plurality of cleaning-ready times based on said time period required for charging said storage battery and said plurality of charge start times;
• a device for prohibiting said cleaning portion from suction of dust during a prescribed period from time of detection of said charge start time by said timer until said cleaning-ready time, said prescribed period being equal to or longer than said time period required for charging said storage battery;
• a display unit displaying information;
• a cleaning-ready time control device for controlling said display unit such that said display unit displays information indicating said cleaning-ready time;
• and
• a warning control device for controlling said display unit such that said display unit displays information indicating a warning that an inappropriate time has been accepted if programmed cleaning start time accepted by said operational button portion is earlier than said cleaning-ready time.