Air Quality Monitor High Accuracy 400‑5000ppm CO2 Temperature Humidity Detector for Desk

Feature: 1. High Accuracy: This desktop air quality tester is highly accurate and measures CO2 levels. With a clear, easy to read display that shows CO2 levels from 400‑5000ppm, in addition to temperature and humidity, this monitor ensures that you breathe freshing air. 2. Real Time Monitoring: This CO2 air quality tester samples 1.5s/time, and the alarm equipped CO2 monitor alerts you with a siren when the PPM value increases (supports turning off the alarm). You can calibrate the CO2 monitor to ensure its accuracy over time. 3. 2000mAh Large Capacity Battery: This air quality monitor has built in 2000mAh large capacity battery with usb interface charging port, you can use our CO2 monitor for a long time without replacing the battery frequently. Charging the CO2 monitor for 2 hours will ensure 24 hours of use. You can also adjust the brightness of the monitor to guard your eyes in different light. 4. Easy To Install: This CO2 temperature humidity tester is designed with a stabilizing bracket, which can be stably placed on the desktop stall, which can meet all your needs, and can be placed in a variety of places, which is easy to carry and use. 5. Wide Application: This CO2 temperature humidity detector has a wide range of applications and can be used for sleeping indoors, traveling, or on the go. It is great for use in the home, office, classroom and other spaces. Specification: Item Type: CO2 Detector Material: ABS Detection Range: 400-5000ppm Temperature Range: -10°C-50°C Humidity Range: 20%-85% RH Sampling Time: 1.5 Seconds Battery: 1 x 2000mah Rechargeable Lithium Battery (Included) Package List: 1 x Air Quality Monitor 1 x Manual 1 x USB Cable