Originally Posted by LeakingFaucet
with the expectation it would last a few years
Within the first month, the blue LED stopped working. Now 9 months in, the manual switch no longer works.
I'd think a wiring error would have instantly smoked this so maybe you have a mild overload, maybe it's something wrong with the device you are controlling.
If not, early failures suggest a random defect put in at the factory rather than a design problem.