diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 4cf7ab60d6..1eb31acbbd 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -128,6 +128,7 @@ All definitions files include a header with the author and editors, so at some p
 * [Impress.js](https://github.com/bartaz/impress.js) (by [Boris Yankov](https://github.com/borisyankov))
 * [Imagemagick](http://github.com/rsms/node-imagemagick) (by [Carlos Ballesteros Velasco](https://github.com/soywiz))
 * [interact.js](http://github.com/taye/interact.js) (by [Douglas Eichelberger](https://github.com/dduugg))
+* [Ion.RangeSlider](https://github.com/IonDen/ion.rangeSlider) (by [Douglas Eichelberger](https://github.com/dduugg))
 * [Ionic-Cordova](https://github.com/driftyco/) (by [Hendrik Maus](https://github.com/hendrikmaus))
 * [iScroll](http://cubiq.org/iscroll-4) (by [Boris Yankov](https://github.com/borisyankov) and [Christiaan Rakowski](https://github.com/csrakowski))
 * [IxJS (Interactive extensions)](https://github.com/Reactive-Extensions/IxJS) (by [Igor Oleinikov](https://github.com/Igorbek))
diff --git a/ion.rangeSlider/ion.rangeSlider-tests.ts b/ion.rangeSlider/ion.rangeSlider-tests.ts
new file mode 100644
index 0000000000..6f1d25f0d3
--- /dev/null
+++ b/ion.rangeSlider/ion.rangeSlider-tests.ts
@@ -0,0 +1,38 @@
+/// <reference path="../jquery/jquery.d.ts"/>
+/// <reference path="ion.rangeSlider.d.ts"/>
+
+var sliderInputElement = $('<input />');
+sliderInputElement.ionRangeSlider({
+    min: 10,
+    max: 100,
+    from: 30,
+    to: 80,
+    type: "single",
+    step: 10,
+    prefix: "$",
+    postfix: ".00",
+    maxPostfix: "+",
+    hasGrid: true,
+    hideMinMax: true,
+    hideFromTo: true,
+    prettify: true,
+    disable: false,
+    values: ["a", "b", "c"],
+    onLoad: function (obj) {
+        console.log(obj);
+    },
+    onChange: function (obj) {
+        console.log(obj);
+    },
+    onFinish: function (obj) {
+        console.log(obj);
+    }
+});
+sliderInputElement.ionRangeSlider("update", {
+    min: 20,
+    max: 90,
+    from: 40,
+    to: 70,
+    step: 5
+});
+sliderInputElement.ionRangeSlider("remove");
diff --git a/ion.rangeSlider/ion.rangeSlider.d.ts b/ion.rangeSlider/ion.rangeSlider.d.ts
new file mode 100644
index 0000000000..b60954b3b9
--- /dev/null
+++ b/ion.rangeSlider/ion.rangeSlider.d.ts
@@ -0,0 +1,51 @@
+// Type definitions for for Ion.RangeSlider 1.9.1
+// Project: https://github.com/IonDen/ion.rangeSlider/
+// Definitions by: Douglas Eichelberger <https://github.com/dduugg>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+// API documentation: http://ionden.com/a/plugins/ion.rangeSlider/en.html
+
+interface JQuery {
+    ionRangeSlider(): JQuery;
+    ionRangeSlider(options: IonRangeSliderOptions): JQuery;
+    ionRangeSlider(method: string): JQuery;
+    ionRangeSlider(method: string, options: IonRangeSliderOptions): JQuery;
+}
+
+interface IonRangeSliderOptions {
+    disable?: boolean;
+    from?: number;
+    hasGrid?: boolean;
+    hideFromTo?: boolean;
+    hideMinMax?: boolean;
+    max?: number;
+    maxPostfix?: string;
+    min?: number;
+    onChange?: (obj: IonRangeSliderEvent) => void;
+    onFinish?: (obj: IonRangeSliderEvent) => void;
+    onLoad?: (obj: IonRangeSliderEvent) => void;
+    postfix?: string;
+    prefix?: string;
+    prettify?: boolean;
+    step?: number;
+    to?: number;
+    type?: string;
+    values?: any[];
+}
+
+interface IonRangeSliderEvent {
+    fromNumber: number;
+    fromPers: number;
+    fromValue?: any;
+    fromX: number;
+    fromX_pure?: number;
+    input: JQuery;
+    max: number;
+    min: number;
+    slider: JQuery;
+    toNumber: number;
+    toPers: number;
+    toValue?: number;
+    toX: number;
+    toX_pure?: number;
+}