sensor, sensitive induction, quick detection of multiple gases, comprehensive coverage, more accurate and reliable.【Work with APP】: Connecting to the Tuya APP via WiFi, real-time display of the detection value, so that indoor air pollution or healthy air index easy to read. You can also preset the alarm value, when the detected value exceeds the preset value, it will automatically alarm.【Voice Control】: Work with Tuya App, the detector support voice control, compatible with Alexa and Google Home, just say a simple command to operate, convenient and intelligent.【Intelligent Linkage】: It supports intelligent linkage with air conditioners, fresh air fans, humidifiers, air purifiers, etc. through Tuya APP to automatically optimize the air environment and maintain a healthy living environment for you.【Reliable Quality】: High-quality ABS housing, sturdy and fall-resistant, long service time. With multiple vents, the detector has nice ventilation and is more accurate for detection in air quality.【Wide Application】: Small size, portable and practical, it is very suitable for home, office, school, warehouse, agricultural planting, etc. Support 2 installation methods, you can put it on the desktop or mount it on the wall.Specifications:Color: WhiteMaterial: ABSWorking Voltage: 5V, 1AWorking Current: 10-496mACommunication Protocol: WIFI 2.4GHzWorking Temperature: -20-85℃Formaldehyde Range: 0-10.00mg/m³VOC Range: 0-99.9ppmCO2 Range: 0-1000ppmTemperature Range: 0-60℃Humidity Range: 0-95%PM2.5 Range: 0-1000ug/m³Item Size: 100 * 100 * 40mm/ 3.9 * 3.9 * 1.6inItem Weight: 98g/ 3.5ozPackage Size: 130 * 130 * 110mm/ 5.1 * 5.1 * 4.3inPackage Weight: 120g/ 4.2ozPacking List:1 * Air Housekeeper1 * USB Cable1 * User's Manual