Features: [5 in 1]: Intelligent air quality detector that monitors 5 environmental parameters including HCHO, VOC, carbon dioxide, temperature, and humidity for continuous protection of family health. [Multiple Sensors]: Equipped with built-in semiconductor air sensor and temperature/humidity sensor for sensitive induction and fast detection of multiple gases, providing comprehensive coverage with improved accuracy and reliability. [APP Connectivity]: Connects to the Tuya APP via WiFi to display real-time detection values, making indoor air quality or healthy air index easy to read. Allows presetting of alarm thresholds; when detected levels exceed the set values, the device automatically triggers an alert. [Voice Control]: Compatible with Tuya App for voice control operation, enabling simple and convenient hands-free use. [Intelligent Linkage]: Supports smart integration with air conditioners, fans, humidifiers, air purifiers, and other devices through the Tuya APP to automatically optimize indoor air conditions and maintain a healthy living environment. [Reliable Build]: Constructed with high-quality PVC housing that is durable and impact-resistant, designed for long-term use. Multiple ventilation openings ensure excellent airflow, enhancing detection accuracy. [Wide Application]: Compact and portable design suitable for use in homes, offices, schools, warehouses, agricultural facilities, and more. Supports two installation methods: desktop placement or wall mounting. Specifications: Working Voltage: 5V, 1A Working Current: 10-496mA Communication Protocol: ZigBee/WiFi (optional) Working Temperature: -20°C to 85°C HCHO Range: 0-10.00mg/m³ VOC Range: 0-99.9ppm CO2 Range: 350-2000ppm Temperature Range: 0-60°C Humidity Range: 0-95% Note: English version included Material: Plastic Color: Grey Package Contents: 1 x Air Quality Monitor Note: Only the items listed above are included; other accessories are not included. Note: Lighting reflections and differences in display screens may cause slight variations in the color of the item shown in the image compared to the actual product. Measurement may vary by +/- 1-3cm due to manual measuring.