It lacks a smaller price tag. I think thats over $300 in the US. You can make it cheaper. Look for DIY Hydro here on GC. You can even purchase systems that are similar and way cheaper as well. SEE
http://www.plantlightinghydroponics....le-p-1728.html 4 of those plus the controller, SEE
http://www.plantlightinghydroponics....oir-p-575.html