> A: Our sophisticated smoking detection algorithm has been tested for accuracy in real-world scenarios, backed by years of development, and tens of thousands of hours of rigorous testing and validation.

I would be willing to bet a good amount of money they have a huge pile of nothing on this

On the other comment they say they monitor PM2.5, CO2 and humidity. Congratulations, your hot water shower with hard water just triggered the sensor. $500 fee.