Just purchased this bit of kit from eBay for £40 inc P+P and all seems to work very well.
Im hoping to interface it with my laptop via the mini usb port and might upload another video once i've had more experience using it.
Ive included links to the pdf user manual and PC Software download below:
http://www.casogo.com/Manual/SARK100.pdf
http://www.sm6why.n.nu/sark-100