They work for few years till weather caused the expansion material not to expand, you can get cheap kit for that. But, nothing you can do when click switch won’t work anymore. I have rocks so not that important for me. Don’t really use it anyway but still needs to work if I desire to move, something they can nickel dime me out of 500 dollars if I go down that road?
sometimes I just fix stuff for no reason other than it should fixed?
