“Right…” Libby’s expression could only be described as dubious.
“…with a range of sixty meters!”
“Useful as a chocolate kettle.”
“Seriously, it’s great!”
“Ohhhh-kay… when you’ve made the front door portable and we want to ring our doorbell remotely…”
“You can programme the chimes from your phone remotely, and port the speaker anywhere.”
“The point being? Buy a doorbell that goes ding-dong, stick it on the doorframe which doesn’t move; job done.”
“Huh! You take the fun out of everything with your iron-clad logic!” he muttered.