WPSPowerbox is an Addons plugin for WPShapere plugin available at CodeCanyon.net
You can check the WPShapere WordPress admin theme features here.

This plugin is built for adding more new features to WPShapere plugin.

Note: You need to purchase and install WPShapere plugin prior to installing WPSPowerbox plugin. Without installing WPShapere plugin, WPSPowerbox plugin won’t install.