diff --git a/types/socket.io-p2p/index.d.ts b/types/socket.io-p2p/index.d.ts
new file mode 100644
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+++ b/types/socket.io-p2p/index.d.ts
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+// Type definitions for socket.io P2P v2.2
+// Project: https://github.com/socketio/socket.io-p2p
+// Definitions by: Sascha Englert <https://github.com/saenglert>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export as namespace Socketiop2p;
+
+export = SocketioP2PStatic;
+
+declare function SocketioP2PStatic(
+    socket: any,
+    opts: SocketioP2PStatic.P2POptions,
+    cb?: () => void
+): SocketioP2PStatic.Socketiop2p;
+
+declare namespace SocketioP2PStatic {
+    export interface PeerOpts {
+        initiator?: boolean; // false
+        channelConfig?: object; // {}
+        channelName?: string; // random string
+        config?: object; // { iceServers: [{ urls: 'stun:stun.l.google.com:19302' }, { urls: 'stun:global.stun.twilio.com:3478?transport=udp' }] }
+        constraints?: object; // {}
+        offerConstraints?: object; // {}
+        answerConstraints?: object; // {}
+        sdpTransfrom?: (sdp: any) => any; // (sdp) => sdp
+        stream?: boolean; // false
+        streams?: any[]; // []
+        trickle?: boolean; //  true
+        wrtc?: RTCPeerConnection | RTCSessionDescription | RTCIceCandidate; // {}
+        objectMode?: boolean; // false
+    }
+
+    export interface P2POptions {
+        numClients?: number; // 5
+        autoUpgrade?: boolean; //true
+        peerOpts?: PeerOpts;
+    }
+
+    export interface Socketiop2p {
+        (socket: any, opts: P2POptions, cb?: () => void): Socketiop2p;
+        on(event: string, callback: (data: any) => void): void;
+        emit(data: any, cb: () => void): void;
+
+        upgrade(): void;
+        disconnect(): void;
+        binarySlice(arr: any[], interval: number, cb: () => void): void;
+        setupPeerEvents(peer: any): void;
+    }
+}