demo/src/app/components/+timepicker/demos/spinners/spinners.html
<timepicker [(ngModel)]="myTime" [showMeridian]="isMeridian" [showSpinners]="showSpinners"></timepicker>
<hr>
<button type="button" class="btn btn-info" (click)="showSpinners = !showSpinners">Show / Hide spinners</button>