I bought one from Home Depor thinking that it would be a great tool to have around and a safe way to teach my son how to solder. It looked great on TV so what the heck.
I got it home put in new batteries and was off...to dissapointment. It was a very poor performer in my book, yes it would melt solder but it wouldn't heat the joint up where it would flow into it. Tried a new set of batteries still worked the same. I then waas able to view the commercial on it again. I paid particular attention to what they were soldering. Everything I saw them work on was of very small gague wire or tiny connection points on a circuit board. Now I wasn't attempting to join 3 strands of 12 awg solid core or anything of the sort, just a strand of 20 awg onto a pot or terminal strip. Anyway, I took the thing back, I'll rely on my plug in Weller or Portasol butane model, both work well.
That's my two cents.