Your well-being,
throughout the house

  • Using the Additional Modules, check the Air Quality throughout the house.
  • Place an Additional Module in each room you want to monitor.
  • Receive alerts in real time.

See the invisible,
and know

  • The Additional Module measures the concentration of CO2, the humidity, and the temperature.
  • Go to the measurements for your Station and your Additional Modules from the App.
  • Add up to three Additional Modules to your Netatmo Weather Station.

Specifications :
Additional Module

Additional Module 45x45x155 mm / 1.8x1.8x6 inches
Mechanics & Design
Single piece of durable aluminum shell.
Sensors and measurements
Temperature :
Ranges from: 0°C to 50°C / 32°F to 112°F
Accuracy: +- 0.3°C  / +- 0.54°F
Humidity :
Ranges from: 0 to 100%
Accuracy: +- 3%
CO2 meter :
Ranges from: 0 to 5000 ppm
Accuracy: +- 50 ppm or +-5%
US system: °F
Metric system: °C and mbar.
Wireless specifications
Wireless connection between module and station :
Long range 100m.
Power and batteries
Additional indoor module powered by 4 AAA batteries.
Good to know :
You have the option of connecting up to 3 Additional Modules to a Station.
The Additional Modules are sold individually and work with the Weather Station sold separately.
Regulatory statements
FCC and CE
Librairies we use