If your only using it for soffit fascia gutters then for the price you can't really go wrong, how long it lasts is another question, and you will need a telescopic lance.
IMHO - you can't beat water fed pole for cleaning SFG it's does a far better job, less mess and the equipment is easier to handle than PW ing
I know some on the window cleaning forum PW but I can tell you now if you PW SFG then WFP a section you will see how poor the PW finish is, but hey, it's just some advice on my experiences
Darran