An electronic device (101, 301, 701) comprising: a housing (303, 730) configured to house a battery (189, 389, 789); a display (160, 360, 760) disposed in the housing (303, 730), exposed through a portion of the housing, and configured to electrically connect to the battery (189, 389, 789); at least one sensor (176, 376, 776) comprising a motion detection sensor circuit disposed in the housing (303, 730) and configured to electrically connect to the battery (189, 389, 789); a power management circuit (188, 388, 788) disposed in the housing (303, 730) and configured to electrically connect to the battery (189, 389, 789); and a processor (120, 320, 720) functionally or electrically connected to the motion detection sensor circuit and the display (160, 360, 760), and electrically connected to the power management circuit through a switch (381, 781) that is turned on when the processor is in a first mode and turned off when the processor is in a second mode, wherein, in the first mode, the processor (120, 320, 720) is configured to: control the display (160, 360, 760) to display first image data in response to first detection of a first motion by the motion detection sensor circuit, and wherein, in the second mode, the processor (120, 320,720) is turned off and the at least one sensor (176, 376, 776) is configured to control the display (160, 360, 760) to display second image data in response to second detection of a second motion by the motion detection sensor circuit. a housing (303, 730) configured to house a battery (189, 389, 789); a display (160, 360, 760) disposed in the housing (303, 730), exposed through a portion of the housing, and configured to electrically connect to the battery (189, 389, 789); at least one sensor (176, 376, 776) comprising a motion detection sensor circuit disposed in the housing (303, 730) and configured to electrically connect to the battery (189, 389, 789); a power management circuit (188, 388, 788) disposed in the housing (303, 730) and configured to electrically connect to the battery (189, 389, 789); and a processor (120, 320, 720) functionally or electrically connected to the motion detection sensor circuit and the display (160, 360, 760), and electrically connected to the power management circuit through a switch (381, 781) that is turned on when the processor is in a first mode and turned off when the processor is in a second mode, wherein, in the first mode, the processor (120, 320, 720) is configured to: control the display (160, 360, 760) to display first image data in response to first detection of a first motion by the motion detection sensor circuit, and wherein, in the second mode, the processor (120, 320,720) is turned off and the at least one sensor (176, 376, 776) is configured to control the display (160, 360, 760) to display second image data in response to second detection of a second motion by the motion detection sensor circuit. control the display (160, 360, 760) to display first image data in response to first detection of a first motion by the motion detection sensor circuit, and wherein, in the second mode, the processor (120, 320,720) is turned off and the at least one sensor (176, 376, 776) is configured to control the display (160, 360, 760) to display second image data in response to second detection of a second motion by the motion detection sensor circuit.