LatviaAranet, 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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United StatesLutron Electronics makes lighting controls and automated window treatments, from in-wall dimmers, switches and Pico remotes to whole-home systems such as Caseta, RadioRA 3 and HomeWorks QSX. Its wireless devices run on Lutron's own Clear Connect RF technology and pair with a Lutron smart hub, so the lights keep responding even when Wi-Fi is down. Caseta integrates with Alexa, Google Assistant, Apple Home, Ring and Sonos. Founded by Joel Spira, the company has been building light controls for more than 60 years.
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