An electronic device includes a main body and an image capturing device positioned on the main body. The image capturing device includes a fixing pole, a rotating plate, two lens modules, and an image sensor. The fixing pole is fixed on the main body. The rotating plate is sleeved over the fixing pole and rotates around the fixing pole. The two lens modules are mounted on the rotating plate and symmetrical with the fixing pole. The image sensor is arranged on the main body. The rotating plate is rotated to make the two lens modules be alternated to align with the image sensor.