Comprehensive air quality monitoring: Equip your home with the advanced Tuya Smart Air Box, a multi-functional device designed to improve your living environment.This smart sensor can effectively detect carbon dioxide (CO2), formaldehyde, volatile organic compounds (VOC), and monitor temperature and humiditySmart connection: Seamlessly connect via WIFI, and monitor and adjust in real time through user-friendly applications. Understand and control indoor air quality anytime, anywhereSmart linkage, after the Tuya APP presets the automation mode, when the indoor environment is abnormal, it can trigger a linkage alarm, turn on air conditioners, fresh air fans, air purifiers, humidifiers and other home appliances to optimize the environmentEnhance safety and comfort: Ensure a healthier indoor environment for your family. The device's sensitive sensors provide accurate readings to help you maintain optimal air quality, which promotes overall healthCommunication protocol: WIFIRange (formaldehyde):0 - 10.00mg/mRange (VOC): 0-99.9ppmRange (carbon dioxide): 0-1000ppmRange (temperature): 0 C- 60CRange (humidity): 0--95%Colour:WhiteMaterial:plasticPackage Contents:1 * Air Quality MonitorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.