On Nov 19, 11:13*pm, "DGDevin" wrote:
E Z Peaces wrote:
I've tried battery-powered wireless door chimes. *I used AA alkalines,
which have a much longer shelf life than conventional carbon-zinc. The
problem was the current draw of the receivers. *A set of
batteries would last only a few months, and a lot of visitors might
leave frustrated before I realized my chime was out of service.

How about a wired chime using a lithium battery? *The battery could
outlast a transformer and be cheaper to replace.

How about a brass door-knocker which needs no electricity from any source?

But...but...but...what is the payback? A brass door knocker will run
some bucks and if you only spend 25 cents/yr on electric....

Harry K