[Five-in-one] Smart air quality detector, real-time monitoring of 5 environmental parameters such as HCHO, VOC, carbon dioxide, temperature, humidity, etc., always protect the health of your family [Multiple sensors] Built-in semiconductor air sensor and temperature and humidity sensor, sensitive response, multiple gases rapid detection, comprehensive coverage, more accurate and reliable [Use with APP] Connect to Tuya APP via WiFi, real-time display of detection values, so that indoor air pollution or healthy air index can be seen at a glance. You can also preset alarm values. When the detection value exceeds the preset value, it will automatically alarm [Voice control] With Tuya App, the detector supports voice control, compatible with Alexa and Home, just say a simple command to operate, convenient and intelligent [Smart linkage] Through Tuya APP, it supports smart linkage with air conditioners, fresh air fans, humidifiers, air purifiers, etc., automatically optimizes the air environment, and maintains a healthy living environment for you [Reliable quality] High-quality PVC shell, sturdy and resistant to falling, long service life. The detector has multiple vents, good ventilation, and more accurate detection of air quality [Wide Application] Small size, portable and practical, very suitable for home, office, school, warehouse, agricultural planting, etc. Supports 2 installation methods, can be placed on the desktop or mounted on the wall Specifications: Material: PVC Working voltage: 5V, 1A Working current: 10-496mA Communication protocol: WiFi 2.4G Working temperature: -20-85℃ HCHO range: 0-10.00mg/m³ VOC range: 0-99.9ppm CO2 range: 350-2000ppm Temperature range: 0-60℃ Humidity range: 0-95% Product size: 100*100*35mm/3.9*3.9*1.4 inches