- Excellent sensors: The intelligent air semiconductor sensor enables sensitive, accurate, and stable measurement of air temperature and humidity. - Long battery life: Built-in 3.7V 2000mAh lithium battery provides reliable and long-lasting power. - Detection parameters: Accurately monitor PM2.5, PM10, HCHO, organic pollutants, CO, CO2, temperature and humidity. - Easy operation: Get the latest data by quickly pressing the power switch three or six times. - Use at home: Monitor indoor air quality and comfort in living rooms or bedrooms to support health and well being. - Use in office or classroom: Track pollutants and climate conditions to maintain a productive, comfortable environment. - Use in small spaces: Observe how cooking, solvents, or activities in kitchens or workshops affect PM, VOCs, CO2, and temperature humidity levels.