The Sonoff AirGuard SAWF-07P is a comprehensive air quality monitor designed to keep you informed about the environment in your home. It tracks PM2.5 and PM10 particulate matter, temperature, and relative humidity, updating these readings every two seconds on its integrated LCD screen. To help you react quickly to changes in air quality, the device features a color-coded LED indicator that shifts between green, yellow, and red, complemented by an audible siren for urgent alerts. Built with a lightweight PC and ABS housing weighing 127.6 g, this monitor connects via 2.4 GHz Wi-Fi and supports the Matter standard. This ensures it works seamlessly across various ecosystems, including Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and eWeLink. You can receive push notifications on your phone and access up to a year of historical data, which can be exported for deeper analysis. The unit is powered through a USB-C connection, making it easy to place in any room using the included cable.