diff --git a/types/redux-state-sync/index.d.ts b/types/redux-state-sync/index.d.ts
new file mode 100644
index 0000000000..e71097df17
--- /dev/null
+++ b/types/redux-state-sync/index.d.ts
@@ -0,0 +1,58 @@
+// Type definitions for redux-state-sync 2.0
+// Project: https://github.com/AOHUA/redux-state-sync#readme
+// Definitions by: My Self <https://github.com/me>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export as namespace ReduxStateSync;
+
+import { Store, Reducer, Middleware, Action, AnyAction } from "redux"
+import BroadcastChannel from "broadcast-channel"
+
+export let lastUuid: number;
+export const GET_INIT_STATE: string;
+export const SEND_INIT_STATE: string;
+export const RECEIVE_INIT_STATE: string;
+
+type Stamp = {
+    $uuid: string
+    $wuid: string
+}
+export type StampedAction = Stamp & AnyAction
+
+export interface Config  {
+    channel?: string
+    predicate?: Function | null
+    blacklist?: Array<string>
+    whitelist?: Array<string>
+    broadcastChannelOption?: object | null
+}
+
+export interface MessageListenerConfig {
+    channel: BroadcastChannel
+    dispatch: (action: AnyAction | StampedAction) => void
+    allowed: (type?: string) => boolean
+}
+
+export const defaultConfig: Config;
+export const WINDOW_STATE_SYNC_ID: string;
+export let isMessageListenerCreated: boolean;
+
+export function myMethod(a: string): string;
+export function myOtherMethod(a: number): number;
+
+export function getIniteState(): AnyAction;
+export function sendIniteState(): AnyAction;
+export function receiveIniteState<S>(store: Store<S>): AnyAction;
+export function s4(): string;
+export function guid(): string;
+
+export function generateUuidForAction(action: AnyAction): StampedAction
+export function isActionAllowed (config: Config): (type?: any) => boolean
+export function createMessageListener (config: MessageListenerConfig): void
+export function createStateSyncMiddleware (config?: Config): Middleware
+export function withReduxStateSync<S> (
+    appReducer: Reducer<S>
+): (state: any, action: AnyAction) => Reducer<S>
+export function initStateWithPrevTab<S> (
+    store: Store<S>
+): Store<S>
\ No newline at end of file
diff --git a/types/redux-state-sync/redux-state-sync-tests.ts b/types/redux-state-sync/redux-state-sync-tests.ts
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/types/redux-state-sync/tsconfig.json b/types/redux-state-sync/tsconfig.json
new file mode 100644
index 0000000000..e3c2cd0f00
--- /dev/null
+++ b/types/redux-state-sync/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "redux-state-sync-tests.ts"
+    ]
+}
diff --git a/types/redux-state-sync/tslint.json b/types/redux-state-sync/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/redux-state-sync/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }