CARBON DIOXIDE SENSOR WIFI SMART HOME TUYA APP This carbon dioxide detector can help you check the air condition, and is a good helper for home detection, greenhouse planting, warehouse carbon dioxide detection, etc! Carbon dioxide quality monitor: Improve the quality of life, smart home a new lifestyle CO2 temperature and humidity quality monitoring Carbon dioxide excess alarm One-click real-time calibration data Monitor air quality anytime, anywhere in the mobile app Characteristic: Small size, light weight, easy to carry, easy to use and carry. Equipped with high-quality temperature sensor and humidity sensor, which can detect quickly and accurately. The 2.8 inch LCD screen with backlight can clearly display the current values of CO2, temperature and humidity. The colored circle will change according to the current CO2 value. The operation is simple, no calibration is required after starting, it works and detects automatically. The effect of CO2 concentration on the human body: 350-400 ppm: concentration in the external environment 350-1000 ppm: clean air and light breathing (WHO upper limit in habitable rooms) 1000-2000 ppm: the air feels stale and stuffy, feeling drowsy 2000-5000 ppm: in weakened people, with respiratory diseases, coughing occurs, and sometimes fainting or fainting occurs, headaches, drowsiness, accelerated heart rate, slight nausea and inability to concentrate From 5000 ppm: severe hypoxia Ranges of CO2 indications by the meter >1500PPM warning 1200-1499 PPM moderate hypoxia 800-1199PPM suitable air 0-799PPM fresh air Specification Color: black Power : USB 5V1A C02 sensor : 400-5000PPm Accuracy : (50ppm 5% of reading) Humidity sensor : 0-100% RH Accuracy : 2%RH(25) Temperature : -1050 095% Relative Humidity : -1065 Accuracy 0.3 Communication protocol : WiFi Application: TUYA