A headlamp includes a module assembly, a back of the module assembly including a geared portion, the geared portion including a plurality of grooves and protrusions, and the module assembly including a lighting module. The headlamp further includes a holder, the holder pivotally attached to the module assembly, and the holder includes a tab mounted on a flexible tab arm, the tab and flexible tab arm positioned such that the tab interfaces with the geared portion of the back, the module assembly being rotatable in relation to the holder, the tab ratcheting from one groove to another groove of the plurality of grooves, and the flexible tab arm flexing to allow the tab to pass over the protrusions of the geared portion.