HCHO, CO₂, TVOC, T&H Multifunctional Air Quality Thermometer Monitor F — Saferexpert

HCHO, CO₂, TVOC, T&H Multifunctional Air Quality Thermometer Monitor FC02

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An air quality monitor will consist of single or multiple sensors to measure the air quality. Some of them combines with different functions, and available to detect many kinds of danger so that it will inform the user to prevent the risk. Works with rechargeable battery and it can run continuously. Shop it and enjoy the fresh air now.




Ask a Question
  • If I keep the usb charger plugged to the monitor 24/7 , will it damage the battery? I intend to keep it only in one place and not move it around.

    hi, uninterrupted access to the power supply will not damage the battery and the device itself. In addition, the standby time of the device is also very long, you can safely disconnect the power when you leave for a short time.


5-in-1 Air Quality Monitor

The 5-in-1 multi-functional detector can detect carbon dioxide concentration, air quality, formaldehyde concentration, temperature and humidity. Intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology and greenhouse compensation calibration. Full-color display. Large screen, clear and easy to read. Made with high-quality materials.

High Accuracy

The detector uses a high-performance analysis chip to accurately capture the weak current generated during the electrochemical reaction process, to make detection more accurate.

Built-in 1200mAh Rechargeable Batteries

Built-in 1200mAh rechargeable battery, allows to work up to 6 hours after 4 hours fully charging. You can check air quality anywhere. And you can leave the device in a specific location for continuous monitoring.

Compact Design & Flashlight Alert Reminder

Compact design, easy to place this intelligent air quality monitor anywhere. It can detect gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc...Especially in which has baby, child and pregnant woman. The flashlight will blink to remind you how is it going.

Carbon Dioxide Detection

Equipped with CO2 detect function with 3 levels notification light. After turning on this function, when the carbon dioxide (CO2) was exceeded 1000ppm, the caution light will turn to yellow to notify you the CO2 has raised to a dangerous value. If the light turns to red, the CO2 value is up to 2000 ppm, you should leave the area as soon as possible.

Formaldehyde Detection

The HCHO was designs in 3 levels which is in Green, Yellow and red. Green is the normal level, but when the formaldehyde raised to it 0.1 mg/m³, the yellow light will be turned up and show on the display. If the light turns to red, please leave the room immediately since it raise to 1 mg/m³. It will start 24/7 detection when you turn on HCHO detection function.

Tempurature and Humidity Detection

Built-in design with tempurature and humidity detection, simply shows result on the screen, which allows you to be aware of the changes in your home with just a quick glance, and if you need to take actions such as to humidify or dehumidify, and make sure when to adjust the tempurature for the house.

24/7 Air-Quality Monitoring 

As long as you turn on the device, it will keep monitoring your home air-quality day and night. Tiny design, portable to be placed anywhere. Sensitive detection helps the owner to keep the air fresh. 

Real-Time Digital Full-Color LED Display 

Full-Color LED digital display shows clear detection results, and displays real-time and  accurate detection data of air pollution at your home, including CO₂, HCHO, temperature and humidity level.


  • Product size: 90x70x40mm
  • Weight: 122g
  • Material: plastic
  • Sensor: Infrared CO₂ sensor
  • Recharging interface: DC5V Type-C interface
  • Screen: configured with 2.8'' TFT display
  • Battery: Rechargeable battery, 5V, 1200mAh(include)
  • Measurement parameter range: Carbon dioxide: 400-6000, error: 50 + - 5%; Precision: 1ppm; Temperature: - 10-60 ℃, accuracy: 1 ℃, error + - 2 ℃, humidity: 0-99%, accuracy: 1%, error + - 3%