diff --git a/assets/coffee/tick.coffee b/assets/coffee/tick.coffee
index d49ee60..ebe65a3 100755
--- a/assets/coffee/tick.coffee
+++ b/assets/coffee/tick.coffee
@@ -141,11 +141,21 @@ class Tick
 
 
   set_timer: () ->
+    if @running
+      _delay = 1000
 
-    # setInterval() can cause problems in inactive tabs (see: http://goo.gl/pToBS)
-    @timer = setTimeout( () =>
-      @tick()
-    , @options.delay ) if @running
+      # if delay is Integer
+      _delay = @options.delay if @options.delay is parseInt(@options.delay, 10)
+
+      # if delay is Array of at least two Integers
+      _delay = Math.floor( Math.random() * ( this.options.delay[1] - this.options.delay[0] + 1) + this.options.delay[0] ) if @options.delay instanceof Array and
+        @options.delay[0] is parseInt(@options.delay[0], 10) and
+        @options.delay[1] is parseInt(@options.delay[1], 10)
+
+      # setInterval() can cause problems in inactive tabs (see: http://goo.gl/pToBS)
+      @timer = setTimeout( () =>
+        @tick()
+      , _delay )
 
 
   ###
diff --git a/assets/js/tick.js b/assets/js/tick.js
index 78a9564..975b1df 100755
--- a/assets/js/tick.js
+++ b/assets/js/tick.js
@@ -141,11 +141,19 @@
     };
 
     Tick.prototype.set_timer = function() {
-      var _this = this;
+      var _delay,
+        _this = this;
       if (this.running) {
+        _delay = 1000;
+        if (this.options.delay === parseInt(this.options.delay, 10)) {
+          _delay = this.options.delay;
+        }
+        if (this.options.delay instanceof Array && this.options.delay[0] === parseInt(this.options.delay[0], 10) && this.options.delay[1] === parseInt(this.options.delay[1], 10)) {
+          _delay = Math.floor(Math.random() * (this.options.delay[1] - this.options.delay[0] + 1) + this.options.delay[0]);
+        }
         return this.timer = setTimeout(function() {
           return _this.tick();
-        }, this.options.delay);
+        }, _delay);
       }
     };
 
diff --git a/demo/assets/js/interface.js b/demo/assets/js/interface.js
index bafa293..508710f 100755
--- a/demo/assets/js/interface.js
+++ b/demo/assets/js/interface.js
@@ -2,7 +2,7 @@ $( document ).ready( function()
 {
   $( '.tick' ).ticker(
   {
-    delay       : 1000,
+    delay       : [50, 1000],  // will take random number in between 50 and 1000 ms
     separators  : true
   });
-});
\ No newline at end of file
+});