There is this 86 year old women that suffers from senility. The children
Live in a rear additional. To the house. During the night they want to install a wired doorbell or buzzer that would summons them to their mother's room.
Battery operated had been a problem in the distance and battery usage. This is in Honduras. C.A.
They do not mind running the wire. What do you suggest for this type of situation.
I think wired doorbell gets it current from a transformer? I do not think the transformer comes with the doorbell or buzzer