KASTWAVE CO2 Detector, CO2 Detector Air Monitor, Carbon Dioxide Detector with Temperature Humidity, USB Charger Air Quality Monitor Sensor Detector for Home Office Gym Car (Black)

✅ -【3 In 1 Carbon Dioxide Monitor Detector】One for 3 functions, you can intuitively understand the air quality you breathe with air quality including CO2, temperature and humidity.
✅ -【Real-time Monitoring & Automatic Alarm】Carbon dioxide monitor can detect the air on real-time and when CO2 concentration 1999-above Four warning lights flashing at the same time to alarm.
✅ -【LCD Large Screen】The CO2 monitor has a smart color display, different font colors display different air quality, green 400-799ppm, yellow 800-1199ppm, orange 1200-1599ppm, red 1600-1999ppm, 2000ppm above four colors flash at the same.
✅ -【High Precision】The sensor module with TVOC sensor to accurately monitor carbon dioxide, highly recommend to use it with USB charger.1200mAh large capacity battery for long working , Type-C charging interface, easy charging.
✅ -【Wide Application】Portable Co2 monitor with compact design suitable for monitoring the air quality at home, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories etc