A connector comprising: an outer housing attached to a case; a first inner housing accommodating a first terminal engaging to a terminal of a mating connector, the first inner housing being accommodated movably in the outer housing in the engaging direction of the first terminal and in the intersectional direction of the engaging direction, said first inner housing being configured to engage with the mating connector; a second inner housing accommodating a second terminal electrically connected to an electric circuit in the case, and being fixed in the outer housing; and a connection portion made of flexible conductive member to connect the first terminal and the second terminal electrically, wherein the outer housing comprises: a first housing that is configured in the tubular shape with a bottom wall, capable of the first inner housing and provided with a through-bore in the bottom wall thereof through which the connection portion passes; and an elastic deformable packing attached to the first inner housing, integrally including: a tubular packing body that is pressed into between an outer circumference surface of the first inner housing and an inner circumference surface of the first housing; and an annular cover positioned between the lower end surface of the first inner housing and the bottom wall of the first housing. an outer housing attached to a case; a first inner housing accommodating a first terminal engaging to a terminal of a mating connector, the first inner housing being accommodated movably in the outer housing in the engaging direction of the first terminal and in the intersectional direction of the engaging direction, said first inner housing being configured to engage with the mating connector; a second inner housing accommodating a second terminal electrically connected to an electric circuit in the case, and being fixed in the outer housing; and a connection portion made of flexible conductive member to connect the first terminal and the second terminal electrically, wherein the outer housing comprises: a first housing that is configured in the tubular shape with a bottom wall, capable of the first inner housing and provided with a through-bore in the bottom wall thereof through which the connection portion passes; and an elastic deformable packing attached to the first inner housing, integrally including: a tubular packing body that is pressed into between an outer circumference surface of the first inner housing and an inner circumference surface of the first housing; and an annular cover positioned between the lower end surface of the first inner housing and the bottom wall of the first housing. a first housing that is configured in the tubular shape with a bottom wall, capable of the first inner housing and provided with a through-bore in the bottom wall thereof through which the connection portion passes; and an elastic deformable packing attached to the first inner housing, integrally including: a tubular packing body that is pressed into between an outer circumference surface of the first inner housing and an inner circumference surface of the first housing; and an annular cover positioned between the lower end surface of the first inner housing and the bottom wall of the first housing.