This product has saved (in order) a Technics amplifier had more than 30 years, the number of computer keyboards, two dozen motherboards, cleaned computers, washing machines, dry linen, mobile phones ... It's not hard: I knocked everywhere! as soon as there are electronics that takes the dust and / or moisture, I put one dose. I have had only good surprises! Surprising and reliable, this is a second life for many switches. Has always had with the tools of computer and electronics tinkerer.
