CO2 Monitor Thermometer Hygrometer — Wi‑Fi Remote Monitoring (Qingping IoT), Sensirion NDIR Sensor, Temp -20~50°C, RH 0~99.9%RH, Rechargeable Battery

Accurate CO2 sensing with a Swiss-made Sensirion CO2 sensor that uses NDIR technology for sensitive, reliable measurements. A multicolor indicator lets you assess CO2 levels at a glance. Suitable for homes, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories and other environments. High-precision temperature and humidity monitoring with ranges of -20~50°C (-4~122°F) and 0~99.9%RH (non-condensation environment). Wi‑Fi enabled for remote access — view live data through the Qingping IoT app or website. Devices can be managed, shared and collaborated on with teammates. The unit offers long battery standby time and can also remain powered continuously via USB. Multiple alert options: the built-in buzzer sounds when CO2, temperature or humidity exceed set limits, and you can receive notifications via app push, email and text message. The buzzer alarm can be turned on or off from the Qingping IoT app or website. View historical charts for the most recent 24 hours and 30 days on Qingping IoT, and export readings as Excel files. To protect against network interruptions, the device stores up to 2,880 sets of readings locally and uploads them to the server once the connection is restored.