<jqxKnob
[value]="[40, 80]" [min]="0" [max]="100" [startAngle]="120"
[endAngle]="480" [rotation]="'clockwise'" [snapToStep]="true" [labels]="labels"
[marks]="marks" [progressBar]="progressBar" [pointer]="pointer" [spinner]="spinner"
[dragStartAngle]="120" [dragEndAngle]="420">
</jqxKnob>