You can
* create and display any numbers of maps, placemarks
* configurate many map settings
* create any paths (use polylines)
* set you custom image on placemark
* markers can include site reference and image, and HTML code
* you can use marker clusterer (markers grouping when map zoom out)
* you can group placemarks and show|hide all group with addition control, create many clusters with its own icon
* you can use contact and user information in placemarks
* you can use plugin to call from K2 items
* you can create polygons and circles
* you can use Styles for map
* you can enable for registered users enter placemark from front end
* you can set labels for placemarks, with its styles

Developed using Baidu Maps JavaScript API
Developed for Joomla 3.x

You should keep in mind - the extension archive is more than 2M: The File Size Upload Limit (uploadmaxfilesize) on your Web Server might be set to low to allow larger files to be uploaded. By default PHP allows files up to 2 MB.