A heads up about inexpensive remote/cable releases.

Shortly after purchasing my a7 II, I bought a Shutterboss II remote release for it.

Now that I also have an a7 IV, I wanted a second remote for it and decided I wanted something simpler, that doesn't require a battery, so I did a search on Amazon and ordered a couple that sounded pretty good and cost less than $10 each.

I used one of them to shoot several sunrises and sunsets, with no problem, but a couple mornings ago it was cold and foggy and I decided to go shoot some frosty trees.  After several shots, the camera started to malfunction.  The screen would blink on and off and none of the buttons would work.  At first, I thought it was due to the cold, damp air.  I couldn't imagine that a simple shutter release could cause so much craziness, but the camera seems to work fine when the release isn't attached and I tried the second release and the camera also seems to work fine.  So, I'm assuming, at this point, that the problems is the release.

I have since ordered the Sony RM-SPR1 Remote commander.  A bit more expensive and I don't think it has a hold open function, but it looks really small and, I'm assuming, the Sony should be of better quality.

Anyone else have a problem like that with a remote release?