> Do you expect your supply of bait to last 5 years? I would
> have thought that whoever replenishes the bait could also
> do a battery swap

You know what people are like though Alan. Changing the
bait they can cope with. But anything "technical", ooh, that's
another matter altogether, no matter how times you assure
them "Look, this all you have to do". You'd have to make
the replacement procedure (almost ridiculously) easy

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