diff --git a/CHANGELOG.md b/CHANGELOG.md
index adc3b9fe902..24d52dd9bfc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
 * **SingleStat**: Add seriename as option in singlestat panel, closes [#4740](https://github.com/grafana/grafana/issues/4740)
 * **Localization**: Week start day now dependant on browser locale setting, closes [#3003](https://github.com/grafana/grafana/issues/3003)
 * **Templating**: Update panel repeats for variables that change on time refresh, closes [#5021](https://github.com/grafana/grafana/issues/5021)
+* **Elasticsearch**: Support to set Precision Threshold for Unique Count metric, closes [#4689](https://github.com/grafana/grafana/issues/4689)
 
 # 3.1.1 (unreleased / v3.1.x branch)
 * **IFrame embedding**: Fixed issue of using full iframe height, fixes [#5605](https://github.com/grafana/grafana/issues/5606)
diff --git a/public/app/plugins/datasource/elasticsearch/metric_agg.js b/public/app/plugins/datasource/elasticsearch/metric_agg.js
index 7fb227ab5b5..ecf4e16378e 100644
--- a/public/app/plugins/datasource/elasticsearch/metric_agg.js
+++ b/public/app/plugins/datasource/elasticsearch/metric_agg.js
@@ -68,6 +68,11 @@ function (angular, _, queryDef) {
       }
 
       switch($scope.agg.type) {
+        case 'cardinality': {
+          var precision_threshold = $scope.agg.settings.precision_threshold || '';
+          $scope.settingsLinkText = 'Precision threshold: ' + precision_threshold;
+          break;
+        }
         case 'percentiles': {
           $scope.agg.settings.percents = $scope.agg.settings.percents || [25,50,75,95,99];
           $scope.settingsLinkText = 'Values: ' + $scope.agg.settings.percents.join(',');
diff --git a/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html b/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
index 24582baf8d1..faa12b5693d 100644
--- a/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
+++ b/public/app/plugins/datasource/elasticsearch/partials/metric_agg.html
@@ -58,6 +58,11 @@
 		<input type="text" class="gf-form-input max-width-12" ng-model="agg.settings.percents" array-join ng-blur="onChange()"></input>
 	</div>
 
+	<div class="gf-form offset-width-7" ng-if="agg.type === 'cardinality'">
+		<label class="gf-form-label width-10">Precision threshold</label>
+		<input type="number" class="gf-form-input max-width-12" ng-model="agg.settings.precision_threshold" ng-blur="onChange()"></input>
+	</div>
+
 	<div ng-if="agg.type === 'extended_stats'">
 		<gf-form-switch ng-repeat="stat in extendedStats" class="gf-form offset-width-7" label="{{stat.text}}" label-class="width-10" checked="agg.meta[stat.value]" on-change="onChangeInternal()"></gf-form-switch>