Built-in semiconductor air sensor and temperature/humidity sensor, sensitive induction, quick detection of multiple gases, comprehensive coverage, more accurate and reliable.Work with APP: Connecting to the Tuya APP via ZigBee/WiFi, real-time display of the detection value, so that indoor air pollution or 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 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 living environment for you.Reliable Quality: High-quality PVC 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: GreyMaterial: PVCWorking Voltage: 5V, 1AWorking Current: 10-496mACommunication Protocol: ZigBee/WiFi(optional)Working Temperature: -20-85HCHO Ranges: 0-10.00mg/mVOC Ranges: 0-99.9ppmCO2 Ranges: 350-2000ppmTemperature Ranges: 0-60Humidity Ranges: 0-95%Item Size: 100* 100* 35mm/ 3.9* 3.9* 1.4inPackage Size: 110* 110* 40mm/ 4.3* 4.3* 1.6inPackage Weight: 100g/ 3.5ozPacking List:1* Air Housekeeper1* USB Cable1* User's Manual