Aranet, a brand of SAF Tehnika in Latvia, makes wireless sensors best known for the Aranet4 CO2 monitor. Its devices use long-range, low-power radio to track CO2, temperature, humidity and pressure, with long battery life and an E-ink display. Aranet is widely used in offices, schools and homes for reliable, accurate CO2 monitoring.
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FranceNetatmo, part of the Legrand group, is a French smart home brand known for its weather stations, smart thermostats, indoor and outdoor cameras and door/window sensors. Its products emphasize design and privacy with local video storage, and support Apple HomeKit, Alexa and Google Home. Netatmo is popular in Europe for connected weather and climate monitoring.
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