Which quantity is actually measured?
CO2, PM2.5, radon and VOC-related signals require different sensors and interpretation.
US catalogue
Home appliances / US catalogue
Choose the quantities you need to observe, then check how readings reach you and what the package includes.
Consumer monitoring packages for US buyers. These comparisons do not certify indoor safety, diagnose health conditions or replace dedicated smoke/CO alarms or professional testing.
Specifications come from the linked manufacturer documents and seller listings. We have not independently tested these products.
CO2, PM2.5, radon and VOC-related signals require different sensors and interpretation.
An on-device display, Bluetooth app and internet hub are different arrangements.
Keep included hosted access separate from local data use and later service charges.
1 model · 1 purchase package
Explore the models3 models · 3 purchase packages
Explore the models1 model · 1 purchase package
Explore the models1 model · 1 purchase package
Explore the models1 model · 1 purchase package
Explore the models1 model · 1 purchase package
Explore the models