First off, I use this as a portable light duty spray washer. I'm a mountain biker and like to spray down my bikes before putting them on the car or away into the house (no Garage). This is far more convenient then getting the hose out and of course portable so can be used when not near the house.
There is a pro version of this for almost 2x the price. However, I have to say that I would recommend it even without trying the pro version. The spray handle is very flimsy and the nozzle doesn't have that great of control for spray pattern.
It does the job though and I'm not about to go replacing it until it actually brakes.