Dvr Expander ESATA DVR Expander - Same As An External ESATA PC Drive?

ESATA DVR Expander - same as an external eSATA PC drive? - dvr expander

I look forward for an Internet eSATA external hard drive for my laptop, but I could find was as a "500 GB DVR Expander eSATA External described.
It works just like a normal external drive when I connect to my laptop?