LAMP MODULE

A lamp module includes a drive circuit; a first light source; a second light source; and a switching circuit configured to receive a switching signal for indicating switching between a first function and a second function, and to control a first switch and a second switch such that the first switch is in an on state and the second switch is in an off state while the first function is indicated, the first switch is in an off state and the second switch is in an on state while the second function is indicated, and both the first switch and the second switch are in the on states at a time of switching between the first function and the second function.