Smart Air Quality Tester: CO2, PM10, Humidity, Accurate Sensors, Auto Display, Living Room Use

Independent CO2 NDIR Sensor: The self developed NDIR sensor and particle sensor are at the same time. The independent CO2 NDIR sensor has higher accuracy and stronger anti interference than the semiconductor sensor. Automatic Brightness Adjustment: Can automatically adjust the screen display brightness according to the surrounding brightness so that the screen is visible and not dazzling.