Can anyone know about this extension/plugin ?

Hi Everyone,

http://demo.snstheme.com/sns-aio/ind...styles=footer3
On the above URL when you take your mouse on any product then on hover it display all images related to that item. I want to know what it’s plugin/extension name ? It’s a Magento Extention. Pls provide me the link from where I can buy this Extension.

Thanks in advance.

Best Regards,
Dani