There are others with 6 in 1 with app control for less.
Aren't there other sensors that would be more useful providing better insights on pollutants and health you could provide at a premium that these cheaper monitors can't.
We use high quality sensor modules like e.g. the SenseAir S8 NDIR CO2 sensor that is made in Sweden and also Sensirion modules from Switzerland. These are much more expensive than less accurate sensor modules that you find in many other monitors.
There are others with 6 in 1 with app control for less.
Aren't there other sensors that would be more useful providing better insights on pollutants and health you could provide at a premium that these cheaper monitors can't.