I have an array of 4 of these switches connected in parallel to ensure dependable switching of of a hidden 3v garage door remote by use of a magnet so I can hide the remote. Very excited when the arrangement worked flawlessly. But after only a few test operations ( showing off) it started to fail. I increased size of the magnet and that did improve function for about a half hour, then nothing. Each of the three switches would no longer close regardless what size magnets .
Your mileage may vary but I am glad they were cheap. Will look for industrial quality and expect to pay more.








