6-in-1 Tuya WiFi Intelligent Air Housekeeper Air Quality Monitor Detector L1D4
You can also preset the alarm value, when the detected value exceeds the preset value, it will automatically alarm. 1 Air Housekeeper. Formaldehyde Range: 0-10.00mg/m³. With multiple vents, the detector has nice ventilation and is more accurate for detection in air quality.