The Xiaomi Mijia Smart Thermometer and Hygrometer 3 Pro has officially commenced its crowdfunding campaign, priced attractively at 114 yuan, with a recommended retail price set at 149 yuan. This eagerly anticipated device is slated for its official market debut at 10:00 AM sharp on September 21. A standout feature of this latest offering is its integrated CO2 detection capability. It sports a sleek 3.6-inch LCD screen with a narrow bezel, capable of displaying up to six pieces of information concurrently, and offers seamless switching between four distinct display modes. Leveraging a low-power thermal conductivity CO₂ sensor, it provides clear and intuitive three-color air quality indicators for easy interpretation.

Moreover, this thermometer and hygrometer are compatible with Xiaomi HyperOS Connect, enabling seamless integration with other smart devices to optimize the environment and generate detailed historical environmental data curves. From a design perspective, it showcases a magnetic mounting system that accommodates various installation options. A single CR2450 button cell battery is sufficient to power the device for approximately one year of standby time, ensuring hassle-free operation. Additionally, the device is thoughtfully designed with convection vents and its casing is crafted from eco-friendly ABS material, reflecting Xiaomi's commitment to sustainability.