It is very simple to have 2 points on a gauge. We take an array of objects to define plots. If you have more than one object in your series array, you have more than one gauge needle!

series : [
  {
    values : [35]
  },
  {
    values : [15]
  }
]

Example: https://demos.zingchart.com/view/K1UG9PRS 

You simply need to include a single value array within your series for each pointer you want displayed. You can add as many needles as you want!

Example: https://demos.zingchart.com/view/AVYUQ49W 

Documentation 

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