That IS the machine, but that is NOT what I paid. Email me.
Sure, you can damage things. Take the single tip, put it on the highest setting, and put it up against a door panel...you can put your signature in it!!
The DVD is a great training tool if you can't get training directly.
I have taken some cool stains and nasty stuff on interiors. However, I market this as a "Green" friendly tool and get customers.
I liken it to a hot air compressor..it gets the nooks and crannies very clean. I also shoot it into the vents to kill any bacteria or molds.
Rob