SWITCH DEVICE

A fog lamp knob (12) and a fog lamp rotor (16) are mounted from one direction along an axis center line (CL). When the fog lamp knob (12) and the fog lamp rotor (16) are mounted, a drive pin (24) on a fog lamp mobile member (22) is disposed between the fog lamp knob (12) cam surface (15) and the fog lamp rotor (16) cam surface (20).