Wifi Co2 Monitor Detect Smart Life App Air Quality Sensor Multifunctional Indoor Smart Home Automation Rechargeable Sound Alarm Carbon Dioxide Range: 400 ~ 5000 ppm [50ppm + 5%] Temperature Range: -10C ~ 40C (2) / 14 ~ 104 (3.6) Humidity Range: 20 ~ 80 % RH (5 % RH) Product Size98 90 40 mm Power SupplyBuilt-in Lithium Battery (2400mAh) Wireless Connection: Wi-Fi (only for 2.4GHz Wi-Fi network) Input5 V1 A Specifications: 3 in 1 Multifunctional Carbon Dioxide MeterThe3 in 1 CO2 monitor can detect real-time CO2 concentration, together with clear display on indoor&outdoor humidity and temperature for extremely comfortable and safe life experience. CO2 detection range is featured from 400 to 5000PPM, temperature detection range from 0 to 50 and 0-99%RH for humidity detection range,fits well for agricultural planting, production warehouse, raw material processing, home, school, office, and other occasions. CO2 ConcentrationStage & Sound Alarm This CO2 detector is functional with 3 stages of CO2 concentrationnormal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm) and will alarm when the detected CO2 concentration is beyond the safe value you customized to monitor house security for you timely.Besides,this air tester is designed with calibration function for more accurate monitor. Compatible with Tuya Smart/Smart Life APPIntelligently monitor your house air condition for CO2 concentration,temperature and humidity value on smart phone via Tuya Smart APP when you are not at home,no more worry about sudden accidents.And you can transfer the Temp. valve between and easily in APP or directly via the button on the detector. Smart Scene Linkage for Home AutomationAdd smart scenes in Smart Life APP for automating other smart home devices with the CO2 detector under CO2 concentration,temperature and humidity value,such as automatically open your window when the detected CO2 concentration is beyond the safe value,or turn on the AC when the temperature is too high. Full-Color Large Screen&Large Capacity Rechargeable Battery Full-color display and large screen designensures its super easy readings with LED digital display for eye protection; built-in large capacity rechargeable battery whose standby up to 40hours,together with Type-C charged. Package Included: CO2 Detector 1 TYPE-C Charging Cable 1 User Manual * 1