diff --git a/satnav/satnav-tests.ts b/satnav/satnav-tests.ts
new file mode 100644
index 000000000..6382c0481
--- /dev/null
+++ b/satnav/satnav-tests.ts
@@ -0,0 +1,18 @@
+/// <reference path="satnav.d.ts" />
+Satnav({})
+.navigate({
+    path: 'product/{required}/?{optional}',
+    directions: (params) => {
+        // Logic for product route
+        console.log(params.required);
+        console.log(params.hasOwnProperty('optional'));
+    }
+})
+.otherwise('/product/1')
+.change(function (hash, params, old) {
+    // Logic for any change
+    console.log(hash);
+    console.log(params);
+    console.log(old);
+})
+.go(); //Resolve current route
\ No newline at end of file
diff --git a/satnav/satnav.d.ts b/satnav/satnav.d.ts
new file mode 100644
index 000000000..5b16a3ffb
--- /dev/null
+++ b/satnav/satnav.d.ts
@@ -0,0 +1,28 @@
+// Type definitions for satnav
+// Project: https://github.com/f5io/satnav-js
+// Definitions by: Christian Holm Diget <https://github.com/DotNetNerd>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare type Callback = () => void;
+
+interface ISatnavOptions {
+    html5?: boolean,
+    force?: boolean,
+    poll?: number,
+    matchAll?: boolean
+}
+
+interface INavigationOptions {
+    path?: string,
+    directions?: (params : any) => any,
+    title?: string | Callback
+}
+
+interface ISatnav {
+    navigate(navigationOptions: INavigationOptions): ISatnav;
+    otherwise(route: string): ISatnav;
+    change(onChange: (hash: string, params: any, old: any) => any): ISatnav;
+    go(): ISatnav;
+}
+
+declare function Satnav(options?: ISatnavOptions): ISatnav;
\ No newline at end of file