An electronic apparatus is disclosed. A display is configured to be able to change brightness of the display. A water detector is configured to detect water. A communication unit is configured to be able to communicate with another electronic apparatus. At least one processor is configured to, when the at least one processor detects, using the water detector, that at least part of the electronic apparatus is located in the water and detects, using the communication unit, that the another electronic apparatus is not located in the water, brighten the display compared with that when the at least one processor detects, using the water detector, that the at least the part of the electronic apparatus is located in the water and at least part of the another electronic apparatus is located in the water.