diff --git a/index.html b/index.html
index b21fadb..6a9b176 100644
--- a/index.html
+++ b/index.html
@@ -63,7 +63,27 @@
             Notice: {
                 Enable: true,
                 Message: (isMobile())? "please drag and drop the video" : "please use your mouse drag and drop the video"
-            }
+            },
+            Markers: [
+                {
+                    location: {
+                        lat: 0,
+                        lon: 180
+                    },
+                    radius: 500,
+                    element: "Marker 1",
+                    keyPoint: 5000,
+                    duration: 10000
+                },
+                {
+                    location: {
+                        lat: 20,
+                        lon: 160
+                    },
+                    radius: 500,
+                    element: "Marker 2",
+                }
+            ]
         });
 
         window.player = player;
diff --git a/src/scripts/Components/Marker.js b/src/scripts/Components/Marker.js
index 815f616..aaae5c6 100644
--- a/src/scripts/Components/Marker.js
+++ b/src/scripts/Components/Marker.js
@@ -1,19 +1,92 @@
 // @flow
 
-import type { Player, MarkerSettings } from '../types';
+import type { Player, MarkerSettings, Point } from '../types';
+import THREE from "three";
 import Component from './Component';
+import { mergeOptions } from '../utils';
 
 const defaults = {
+    keyPoint: -1,
     duration: -1
 };
 
 class Marker extends Component{
-    constructor(player: Player, options: MarkerSettings){
+    _canvas: Component;
+    _position: THREE.Vector3;
+    _enable: boolean;
+
+    constructor(player: Player, options: MarkerSettings & {
+        el?: HTMLElement;
+    }){
+        let el: HTMLElement;
+
+        let elem = options.element;
+        if(typeof elem === "string"){
+            el = document.createElement('div');
+            el.innerText = elem;
+        }else {
+            el = elem;
+        }
+        el.id = options.id || "";
+        el.className = "vjs-marker";
+
+        options.el = el;
+
         super(player, options);
+        this._options = mergeOptions({}, defaults, options);
+
+        this._canvas = player.getComponent("VideoCanvas");
+        let phi = THREE.Math.degToRad( 90 - options.location.lat );
+        let theta = THREE.Math.degToRad( options.location.lon );
+        this._position = new THREE.Vector3(
+            options.radius * Math.sin( phi ) * Math.cos( theta ),
+            options.radius * Math.cos( phi ),
+            options.radius * Math.sin( phi ) * Math.sin( theta ),
+        );
+        if(this.options.keyPoint > 0){
+            let timeupdate;
+            this.player.on("timeupdate", timeupdate = () => {
+                let currentTime = this.player.getVideoEl().currentTime * 1000;
+                if(this.options.duration > 0){
+                    (this.options.keyPoint <= currentTime && currentTime < this.options.keyPoint + this.options.duration)?
+                        !this._enable && this.attachEvents() : this._enable && this.detachEvents();
+                }else{
+                    (this.options.keyPoint <= currentTime)?
+                        !this._enable && this.attachEvents() : this._enable && this.detachEvents();
+                }
+            });
+        }else{
+            this.attachEvents();
+        }
+
     }
 
     attachEvents(){
+        this._enable = true;
+        this.addClass("vjs-marker--enable");
+        this._canvas.addListener("render", this.render.bind(this));
+    }
+
+    detachEvents(){
+        this._enable = false;
+        this.removeClass("vjs-marker--enable");
+        this._canvas.removeListener("render", this.render.bind(this));
+    }
 
+    render(){
+        let angle = this._position.angleTo(this._canvas._camera.target);
+        if(angle > Math.PI * 0.4){
+            this.addClass("vjs-marker--backside");
+        }else{
+            this.removeClass("vjs-marker--backside");
+            let vector = this._position.clone().project(this._canvas._camera);
+            let point: Point = {
+                x: (vector.x + 1) / 2 * this._canvas._width,
+                y: - (vector.y - 1) / 2 * this._canvas._height
+            };
+            this.el().style.left =  `${point.x}px`;
+            this.el().style.top  =  `${point.y}px`;
+        }
     }
 }
 
diff --git a/src/scripts/Panorama.js b/src/scripts/Panorama.js
index 47fe792..eda5a0a 100644
--- a/src/scripts/Panorama.js
+++ b/src/scripts/Panorama.js
@@ -11,8 +11,8 @@ import ThreeDVideo from './Components/ThreeDVideo';
 import Notification from './Components/Notification';
 import Thumbnail from './Components/Thumbnail';
 import VRButton from './Components/VRButton';
-import { Detector, webGLErrorMessage, crossDomainWarning, transitionEvent, mergeOptions, mobileAndTabletcheck, isIos, isRealIphone } from './utils';
-import { warning } from './utils/index';
+import Marker from './Components/Marker';
+import { Detector, webGLErrorMessage, crossDomainWarning, transitionEvent, mergeOptions, mobileAndTabletcheck, isIos, isRealIphone, warning } from './utils';
 
 const runOnMobile = mobileAndTabletcheck();
 
@@ -107,6 +107,8 @@ class Panorama extends EventEmitter{
     _player: Player;
     _videoCanvas: BaseCanvas;
     _thumbnailCanvas: BaseCanvas | null;
+    //save total markers enable to generate marker id
+    _totalMarkers: number;
 
     /**
      * check legacy option settings and produce warning message if user use legacy options, automatically set it to new options.
@@ -212,6 +214,7 @@ class Panorama extends EventEmitter{
         Panorama.checkOptions(options);
         this._options = mergeOptions({}, defaults, options);
         this._player = player;
+        this._totalMarkers = 0;
 
         this.player.addClass("vjs-panorama");
 
@@ -314,6 +317,13 @@ class Panorama extends EventEmitter{
             this.videoCanvas.startAnimation();
             this.videoCanvas.show();
 
+            //initial markers
+            if(this.options.Markers){
+                this.options.Markers.forEach((markSetting: any)=>{
+                    this.addMarker(markSetting);
+                });
+            }
+
             //detect black screen
             if(window.console && window.console.error){
                 let originalErrorFunction = window.console.error;
@@ -378,6 +388,18 @@ class Panorama extends EventEmitter{
         }
     }
 
+    addMarker(markSetting: any): Marker{
+        this._totalMarkers++;
+        markSetting.id = markSetting.id? markSetting.id : `marker_${this._totalMarkers}`;
+        let marker = new Marker(this.player, markSetting);
+        this.player.addComponent(markSetting.id, marker);
+        return marker;
+    }
+
+    removeMarker(markerId: string): void{
+        this.player.removeComponent(markerId);
+    }
+
     get thumbnailCanvas(): BaseCanvas | null{
         return this._thumbnailCanvas;
     }
diff --git a/src/scripts/tech/BasePlayer.js b/src/scripts/tech/BasePlayer.js
index 167d0e3..aa3c01c 100644
--- a/src/scripts/tech/BasePlayer.js
+++ b/src/scripts/tech/BasePlayer.js
@@ -140,6 +140,10 @@ class BasePlayer implements Player {
     ready(fn: Function): void{
         throw Error('Not implemented');
     }
+
+    get components(): Array<ComponentData>{
+        return this._components;
+    }
 }
 
 export default BasePlayer;
\ No newline at end of file
diff --git a/src/scripts/types/Settings.js b/src/scripts/types/Settings.js
index fcbbf55..f64745b 100644
--- a/src/scripts/types/Settings.js
+++ b/src/scripts/types/Settings.js
@@ -1,27 +1,29 @@
 // @flow
-import { Point } from './Point';
+import { Point, Coordinates } from './Point';
 
 export type VideoTypes = "equirectangular" | "fisheye" | "3dVideo" | "dual_fisheye";
 
 export type MarkerSettings = {
-    lat: number;
-    lon: number;
+    location: Coordinates;
+
     radius: number;
 
+    id?: string;
+
     /**
      * use custom dom
      */
-    element?: HTMLElement;
+    element: HTMLElement | string;
 
     /**
      * timeline when should marker be shown
      */
-    keyPoint: number;
+    keyPoint?: number;
 
     /**
      * when should marker disappear, set -1 if you don't want it disappear
      */
-    duration: number;
+    duration?: number;
 
     /**
      * callback function when marker is disappear
diff --git a/src/styles/plugin.scss b/src/styles/plugin.scss
index 0a640a0..42c7795 100644
--- a/src/styles/plugin.scss
+++ b/src/styles/plugin.scss
@@ -132,6 +132,19 @@
     -webkit-animation-delay: 0.44s;
     animation-delay: 0.44s; }
 
+  .vjs-marker{
+    position: absolute;
+    display: none;
+
+    &.vjs-marker--enable{
+      display: block!important;
+    }
+
+    &.vjs-marker--backside{
+      display: none!important;
+    }
+  }
+
   .vjs-VR-control{
     cursor: pointer;