Few months in use. Stopped working in the middle of a project, it started smoking due to overheating, had to turn it off quickly. You must use them on the ships while they are en route to the US. And let's see what happens next. This should turn some heads. Don't buy the ones I had was dangerous. I've only used it in outdoor projects. Plastic piping for bending into a log wall for el. For installing lighting fixtures. And the hose of my drip system where it stopped working.