diff --git a/README.md b/README.md
index d22a13b..df51845 100644
--- a/README.md
+++ b/README.md
@@ -8,30 +8,163 @@ PHP library to run `mediainfo` command
 You should install [mediainfo](http://manpages.ubuntu.com/manpages/gutsy/man1/mediainfo.1.html):
 
 On linux:
+
 ```bash
 $ sudo apt-get install mediainfo
 ```
 
 On Mac:
+
 ```bash
 $ brew install mediainfo
 ```
 
 To use this class install it through [Composer](https://getcomposer.org/), add:
+
 ```bash
 $ composer require mhor/php-mediainfo
 ```
 
 ## How to use
+
+
+### Retrieve media information container
 ```php
 <?php
 //...
 use Mhor\MediaInfo\MediaInfo;
 //...
 $mediaInfo = new MediaInfo();
-$mediaInfo->getInfo('music.mp3');
+$mediaInfoContainer = $mediaInfo->getInfo('music.mp3');
 //...
 ```
 
+### Get general information from media information container
+
+```php
+$general = $mediaInfoContainer->getGeneral();
+```
+
+### Get videos information from media information container
+
+```php
+$videos = $mediaInfoContainer->getVideos();
+
+foreach($videos as $video) {
+    // ... do something
+}
+```
+
+### Get audios information from media information container
+
+```php
+$audios = $mediaInfoContainer->getAudios();
+
+foreach($audios as $audio) {
+    // ... do something
+}
+```
+
+### Get images information from media information container
+
+```php
+$images = $mediaInfoContainer->getImages();
+
+foreach($images as $image) {
+    // ... do something
+}
+```
+
+### Access to information
+
+#### Get all information into an array
+
+```php
+$informationArray = $general->get();
+```
+
+#### Get one information by field name
+
+Field Name are in lower case separated by "_"
+
+```php
+$oneInformation = $general->get('count_of_audio_streams');
+```
+
+### Specials types
+
+#### Cover
+For fields:
+
+- cover_data
+
+[Cover](src/Attribute/Cover) type will be applied
+
+#### Duration
+For fields:
+
+- duration
+- delay_relative_to_video
+- video0_delay
+- delay
+
+[Duration](src/Attribute/Duration) type will be applied
+
+#### Mode
+For fields:
+
+- overall_bit_rate_mode
+- overall_bit_rate
+- bit_rate_mode
+- compression_mode
+- codec
+- format
+- kind_of_stream
+- writing_library
+- id
+- format_settings_sbr
+- channel_positions
+- default
+- forced
+- delay_origin
+- scan_type
+- interlacement
+- scan_type
+- frame_rate_mode
+- format_settings_cabac
+- unique_id
+
+[Mode](src/Attribute/Mode) type will be applied
+
+#### Rate
+For fields:
+
+- channel_s
+- bit_rate
+- sampling_rate
+- bit_depth
+- width
+- nominal_bit_rate
+- frame_rate
+- display_aspect_ratio
+- frame_rate
+- format_settings_reframes
+- height
+- resolution
+- original_display_aspect_ratio
+
+[Rate](src/Attribute/Rate) type will be applied
+
+#### Size
+For fields:
+
+- file_size
+- stream_size
+
+[Size](src/Attribute/Sire) type will be applied
+
+#### Others
+- All date fields will be transformed into [`Datetime`](src/Attribute/Datetime) php object
+
 ##LICENSE
 See `LICENSE` for more information
diff --git a/src/MediaInfo.php b/src/MediaInfo.php
index 2d4771f..c50215c 100644
--- a/src/MediaInfo.php
+++ b/src/MediaInfo.php
@@ -3,10 +3,15 @@
 namespace Mhor\MediaInfo;
 
 use Mhor\MediaInfo\Builder\MediaInfoCommandBuilder;
+use Mhor\MediaInfo\Container\MediaInfoContainer;
 use Mhor\MediaInfo\Parser\MediaInfoOutputParser;
 
 class MediaInfo
 {
+    /**
+     * @param $filePath
+     * @return MediaInfoContainer
+     */
     public function getInfo($filePath)
     {
         $mediaInfoCommandBuilder = new MediaInfoCommandBuilder();