PROBLEM TO BE SOLVED: To provide an electronic apparatus which prevents water droplets generated by dew condensation from intruding into a housing without using a waterproof packing.SOLUTION: An electronic apparatus 1 includes: connectors 6; a substrate on which the connectors 6 are mounted; a case 4 and a cover 5 that are used for housing the substrate. Connector openings 4a which respectively cause the connectors 6 to face the exterior are formed in the case 4. A case outer side wall part 20 is provided along a thickness direction of the case 4 at a side part of each connector opening 4a on an outer surface of the case 4.
