DIYbanter - View Single Post

wrote:
I have a mains operated door bell, plugs into any socket and it is
brilliant. the door push has a small battery in it.

That sounds exactly like our one was, maybe it was just a "Friday" bell
push but it put a dent in my confidence of buying a new one.

--
yours S

Nihil curo de ista tua stulta superstitione