On Saturday, 22 February 2020 12:04:02 UTC, Dave Plowman (News) wrote:
But I actually want an illuminated bell push. Try doing that with
batteries.

I have a small LED lamp with PIR at the front door - runs for over a year on 3 x AA batteries.

It could be a quite noticeable if the two were combined so that the bell push illuminated when someone approaches it.

Owain