The product can realize real-time monitoring of indoor air quality (including temperature, humidity, PM2.5, CO₂, TVOC, and formaldehyde), and transmit real-time air data to Daikin intelligent data processor to optimize indoor air. It provides users with the best indoor air solution to achieve real-time optimization of air conditions in a way of interacting with the serialized Daikin household intelligent air devices, so as to create a healthy, reassuring and safe home air environment.