diff --git a/types/long-timeout/index.d.ts b/types/long-timeout/index.d.ts
new file mode 100644
index 0000000000..ae82ec84f1
--- /dev/null
+++ b/types/long-timeout/index.d.ts
@@ -0,0 +1,28 @@
+// Type definitions for long-timeout 0.1
+// Project: https://github.com/tellnes/long-timeout
+// Definitions by: Matthias Kunnen <https://github.com/MatthiasKunnen>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export type Listener = (...args: any[]) => void;
+
+export class Timeout {
+    after: number;
+    close: () => void;
+    listener: Listener;
+    ref: () => void;
+    start: () => void;
+    unref: () => void;
+    unreffed: boolean;
+
+    constructor(listener: Listener, ms: number);
+}
+
+export type Interval = Timeout;
+
+export function clearInterval(timer: Interval): void;
+
+export function clearTimeout(timer: Timeout): void;
+
+export function setInterval(listener: Listener, ms: number): Interval;
+
+export function setTimeout(listener: Listener, ms: number): Timeout;
diff --git a/types/long-timeout/long-timeout-tests.ts b/types/long-timeout/long-timeout-tests.ts
new file mode 100644
index 0000000000..4395722f2d
--- /dev/null
+++ b/types/long-timeout/long-timeout-tests.ts
@@ -0,0 +1,15 @@
+import * as lt from 'long-timeout';
+
+const interval = lt.setInterval(() => {
+    // Do things
+}, 4000);
+
+interval.close();
+
+lt.clearInterval(interval);
+
+const timeout = lt.setTimeout(() => {
+    // Do things
+}, 50);
+
+lt.clearTimeout(timeout);
diff --git a/types/long-timeout/tsconfig.json b/types/long-timeout/tsconfig.json
new file mode 100644
index 0000000000..8773438f14
--- /dev/null
+++ b/types/long-timeout/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "long-timeout-tests.ts"
+    ]
+}
diff --git a/types/long-timeout/tslint.json b/types/long-timeout/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/long-timeout/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }