Has anyone tried this before?

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I was looking for somewhat affordable montoring system and I saw this off ebay..

 

http://cgi.ebay.com/4-x-WATERPROOF-INFRARED-CCTV-CAMERA-4-CH-DVR-CARD_W0QQitemZ5860713728QQcategoryZ48632QQrdZ1QQcmdZViewItem

 

I have a p4 compaq system for this and I am wondering if anyone has any opinion or experience with this system.

 

Thanks..