ELECTRIC RETRACTION UNIT, ELECTRICALLY RETRACTABLE PERIPHERAL VISIBILITY DEVICE FOR VEHICLE

A visibility assembly includes a base, a shaft, and the visibility assembly. The visibility assembly includes a housing, a visibility unit, and an electric retraction unit. The electric retraction unit includes a shaft, casings, a motor and a deceleration mechanism, and a holding member. The casings are configured of a member higher in stiffness than the holding member. The holding member is configured of an elastic member. The visibility assembly is able to rotate smoothly.