I've put them on the trailer, but haven't had occasion to use it, yet
Black Wired Right Angle Water Level Sensor Float Switch Owuzr
Nov 29, 2016
Don't know the duration
I had a similar one of these before, which failed, due to loss of magnetism of the actuator. So, I don't know the life expectancy of this particular product. When new,they work fine.
Carlisle Snow Hog Tire 16x6.50-8 Bias-ply Blackwall 5170021 Each