diff --git a/src/style_manager/main.js b/src/style_manager/main.js
index 4059f2d5a..492fd0d45 100644
--- a/src/style_manager/main.js
+++ b/src/style_manager/main.js
@@ -173,8 +173,10 @@ define(function(require) {
 				var prop = null;
 				var sector = this.getSector(sectorId);
 
-				if(sector)
-					prop = sectors.get('properties').where({property: name});
+				if(sector){
+					prop = sector.get('properties').where({property: name});
+					prop = prop.length == 1 ? prop[0] : prop;
+				}
 
 				return prop;
 			},
@@ -191,7 +193,7 @@ define(function(require) {
 				var sector = this.getSector(sectorId);
 
 				if(sector)
-					props = sectors.get('properties');
+					props = sector.get('properties');
 
 				return props;
 			},
diff --git a/src/style_manager/model/Sector.js b/src/style_manager/model/Sector.js
index b800bd34c..a213aa9cb 100644
--- a/src/style_manager/model/Sector.js
+++ b/src/style_manager/model/Sector.js
@@ -1,5 +1,5 @@
-define(['backbone'],
-	function(Backbone) {
+define(['backbone', './Properties'],
+	function(Backbone, Properties) {
 
 		return Backbone.Model.extend({
 
@@ -8,7 +8,13 @@ define(['backbone'],
 				name: '',
 				open: true,
 				properties : [],
-			}
+			},
+
+      initialize: function(opts) {
+        var o = opts || {};
+        var props = o.properties || this.get('properties');
+        this.set('properties', new Properties(props));
+      },
 
     });
 });
\ No newline at end of file
diff --git a/src/style_manager/model/Sectors.js b/src/style_manager/model/Sectors.js
index 29b0324be..7c224918f 100644
--- a/src/style_manager/model/Sectors.js
+++ b/src/style_manager/model/Sectors.js
@@ -1,21 +1,9 @@
-define([ 'backbone','./Sector','./Properties'],
-	function (Backbone,Sector, Properties) {
+define([ 'backbone', './Sector'],
+	function (Backbone, Sector) {
 
 		return Backbone.Collection.extend({
 
 			model: Sector,
 
-			initialize: function(collection) {
-
-				_.each(collection, function(obj){
-
-					if(obj.properties instanceof Array){
-						obj.properties = new Properties(obj.properties);
-					}
-
-				},this);
-
-			},
-
 		});
 });
diff --git a/test/specs/style_manager/main.js b/test/specs/style_manager/main.js
index 9fbfbb7ff..eb756f3c8 100644
--- a/test/specs/style_manager/main.js
+++ b/test/specs/style_manager/main.js
@@ -62,6 +62,114 @@ define([
           sect1.should.deep.equal(sect2);
         });
 
+        it('Add property to inexistent sector', function() {
+          (obj.addProperty('test', {}) == null).should.equal(true);
+        });
+
+        it('Add property', function() {
+          obj.addSector('test', {});
+          (obj.addProperty('test', {}) == null).should.equal(false);
+          obj.getProperties('test').length.should.equal(1);
+        });
+
+        it('Check added property', function() {
+          obj.addSector('test', {});
+          var prop = obj.addProperty('test', {
+            'name': 'test',
+          });
+          prop.get('name').should.equal('test');
+        });
+
+        it('Add properties', function() {
+          obj.addSector('test', {});
+          obj.addProperty('test', [{}, {}]);
+          obj.getProperties('test').length.should.equal(2);
+        });
+
+        it('Get property from inexistent sector', function() {
+          (obj.getProperty('test', 'test-prop') == null).should.equal(true);
+        });
+
+        it("Can't get properties without proper name", function() {
+          obj.addSector('test', {});
+          obj.addProperty('test', [{}, {}]);
+          obj.getProperty('test', 'test-prop').should.be.empty;
+        });
+
+        it("Get property with proper name", function() {
+          obj.addSector('test', {});
+          var prop1 = obj.addProperty('test', {property: 'test-prop'});
+          var prop2 = obj.getProperty('test', 'test-prop');
+          prop1.should.deep.equal(prop2);
+        });
+
+        it("Get properties with proper name", function() {
+          obj.addSector('test', {});
+          var prop1 = obj.addProperty('test',[
+            {property: 'test-prop'},
+            {property: 'test-prop'}
+          ]);
+          obj.getProperty('test', 'test-prop').length.should.equal(2);
+        });
+
+        it('Get inexistent properties', function() {
+          (obj.getProperties('test') == null).should.equal(true);
+          (obj.getProperties() == null).should.equal(true);
+        });
+
+        it('Renders correctly', function() {
+          obj.render().should.be.ok;
+        });
+
+        describe('Init with configuration', function() {
+
+          beforeEach(function () {
+            obj = new StyleManager({
+              sectors: [{
+                id: 'dim',
+                name: 'Dimension',
+                properties: [{
+                  name: 'Width',
+                  property: 'width',
+                },{
+                  name: 'Height',
+                  property: 'height',
+                }],
+              },{
+                id: 'pos',
+                name: 'position',
+                properties: [{
+                  name: 'Width',
+                  property: 'width',
+                }],
+              }],
+            });
+          });
+
+          afterEach(function () {
+            delete obj;
+          });
+
+          it('Sectors added', function() {
+            obj.getSectors().length.should.equal(2);
+            var sect1 = obj.getSector('dim');
+            sect1.get('name').should.equal('Dimension');
+          });
+
+          it('Properties added', function() {
+            var sect1 = obj.getSector('dim');
+            var sect2 = obj.getSector('pos');
+            sect1.get('properties').length.should.equal(2);
+            sect2.get('properties').length.should.equal(1);
+          });
+
+          it('Property is correct', function() {
+            var prop1 = obj.getProperty('dim', 'width');
+            prop1.get('name').should.equal('Width');
+          });
+
+        });
+
       });
 
     });