Extractor fan with speed controller and thermostat

Im looking for new extractor fan for 1x1x2m grow tent and i came across this one
http://cgi.ebay.ie/5-TT-EXTRACTOR-FAN-SPEED-CONTROLLER-THERMOSTAT-/270724658761?pt=UK_HomeGarden_Garden_PlantsSeedsBulbs_JN&hash=item3f08727649#ht_2226wt_982

I cant find much information about it! Looks like a good deal and savage fan?
Does anyone have been ussing it is it any good?

Dirter
I use a TT fan in my stealth cab and they are good fans, that one looks cool with speed control
and if you get it from charlies hydro
they have a good reputation as an Ebay seller
hope this is of some help
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