I guess he's referring to this... https://media.gleasonator.com/9266826e89cb99c4713de28c32165edb3fc2fc0c864f7f6d0dd8bcc1aaf83267.png
13% of smoke detectors make up 50% of the smoke detector chirps ☹️☹️ https://www.youtube.com/watch?v=fieqU3S8I2U Too funny