diff --git a/.npmingore b/.npmingore
deleted file mode 100644
index a3f930d..0000000
--- a/.npmingore
+++ /dev/null
@@ -1,2 +0,0 @@
-src/
-node_modules/
diff --git a/package.json b/package.json
index 9b9373c..9904f45 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hibas123/utils",
-  "version": "1.0.2",
+  "version": "2.0.0",
   "description": "Different Utilities, that are not worth own packages",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -18,5 +18,10 @@
   "devDependencies": {
     "typescript": "^3.3.3333"
   },
+  "files": [
+    "lib/",
+    "tsconfig.json",
+    "readme.md"
+  ],
   "private": false
 }
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index ec3ae34..03d06a2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,9 +1,11 @@
 import Lock, { Release } from "./lock";
-import Observable, { ObserverCallback } from "./observable";
+import Observable, { ObserverCallback, ObserverCallbackCollect, ObservableInterface } from "./observable";
 
 export {
     Lock,
     Release,
     Observable,
-    ObserverCallback
+    ObserverCallback,
+    ObserverCallbackCollect,
+    ObservableInterface
 }
\ No newline at end of file
diff --git a/src/observable.ts b/src/observable.ts
index f9395b1..66d9f57 100755
--- a/src/observable.ts
+++ b/src/observable.ts
@@ -1,39 +1,58 @@
-export type ObserverCallback<T> = (data: T[]) => void;
+export type ObserverCallbackCollect<T> = (data: T[]) => void;
+export type ObserverCallback<T> = (ata: T) => void;
+
+export type ObservableInterface<T> = {
+   /**
+    * Subscribe to Observable
+    * @param {function} callback
+    */
+   subscribe: (callback: ObserverCallback<T>) => void;
+   /**
+   * Unsubscribe fron Observable
+   * @param {function} callback
+   */
+   unsubscribe: (callback: ObserverCallback<T>) => void;
+   /**
+    * Subscribe to Observable in collect mode
+    * @param {function} callback
+    */
+   subscribeCollect: (callback: ObserverCallbackCollect<T>) => void;
+};
 
 export default class Observable<T = any> {
-   private subscriber: { callback: ObserverCallback<T>, one: boolean }[] = [];
+   private subscriber: ObserverCallback<T>[] = [];
+   private subscriberCollect: ObserverCallbackCollect<T>[] = [];
    private events: T[] = [];
-   private timeout: number | undefined = undefined;
+   private timeout: NodeJS.Timeout | number | undefined = undefined;
 
-   constructor(private collect: boolean = true, private collect_intervall: number = 100) { }
+   constructor(private collect_intervall: number = 100) { }
 
    /**
     * Creates Public API with subscribe and unsubscribe
     * 
     * @returns {object}
     */
-   getPublicApi() {
+   getPublicApi(): ObservableInterface<T> {
       return {
-         /**
-          * Subscribe to Observable
-          * @param {function} callback
-          */
-         subscribe: (callback: ObserverCallback<T>, one: boolean = false) => {
-            let oldcb = this.subscriber.find(e => e.callback === callback);
-            if (oldcb)
-               oldcb.one = one
-            else
-               this.subscriber.push({ callback, one })
+         subscribe: (callback: ObserverCallback<T>) => {
+            let oldcb = this.subscriber.find(e => e === callback);
+            if (!oldcb)
+               this.subscriber.push(callback)
          },
-         /**
-         * Subscribe fron Observable
-         * @param {function} callback
-         */
-         unsubscribe: (callback: ObserverCallback<T>) => {
-            let idx = this.subscriber.findIndex(e => e.callback === callback);
+         unsubscribe: (callback: ObserverCallback<T> | ObserverCallbackCollect<T>) => {
+            let idx = this.subscriber.findIndex(e => e === callback);
             if (idx >= 0) {
                this.subscriber.splice(idx, 1);
+            } else {
+               idx = this.subscriberCollect.findIndex(e => e === callback);
+               if (idx >= 0)
+                  this.subscriberCollect.splice(idx, 1);
             }
+         },
+         subscribeCollect: (callback: ObserverCallbackCollect<T>) => {
+            let oldcb = this.subscriberCollect.find(e => e === callback);
+            if (!oldcb)
+               this.subscriberCollect.push(callback)
          }
       }
    }
@@ -43,21 +62,15 @@ export default class Observable<T = any> {
     * @param data data to be sent
     */
    send(data: T) {
-      if (!this.collect)
-         this.subscriber.forEach(e => e.callback([data]));
-      else {
-         this.events.push(data);
-         if (!this.timeout) {
-            this.timeout = setTimeout(() => {
-               this.subscriber.forEach(cb => {
-                  if (cb.one)
-                     this.events.forEach(e => cb.callback([e]));
-                  else
-                     cb.callback(this.events)
-               });
-               this.timeout = undefined;
-            }, this.collect_intervall);
-         }
+      this.subscriber.forEach(e => e(data));
+      this.events.push(data);
+      if (!this.timeout) {
+         this.timeout = setTimeout(() => {
+            this.subscriberCollect.forEach(cb => {
+               cb(this.events)
+            });
+            this.timeout = undefined;
+         }, this.collect_intervall);
       }
    }
 }
\ No newline at end of file