brake controllers TEKONSHA

hi evryone



I just buy a airstream 25 feets international and now need to choice my brake conttrollers



need some information ...



The guy told me the have some model ... voyager.. digital IQ



I dont have any ideal witch one I need to buy !!!!



some can help me with that please



I think the digital IQ is good one or the voyager



I go to the web site and no think how to select one !



thank you