Portable Carbon Dioxide Detector Useful CO2 Meter Humidity Temperature Tester ℃/℉ Switchable Air Quality Monitor with Storage Case

Features:
3.2-inch TFT full color display date, time, CO2, humidity, temperature(℃/℉ switchable).
Also can display test mode, historical trend, alarm value setting, records, setting, calibration, data clear and etc..
Real time CO2 monitoring by the high accuracy sensor, and it will alarm you once the detecting data is exceed the setting value, and you can press enter button to open/close the alarm sound.
Backlight brightness adjustable, 25%, 50%, 75% and 100% totally 4 gears for you to adjust.
You can select to close auto shutdown function, or set 15min, 30min, 45min,1h, 2h, 4h, 8h auto shutdown time.
Equipped with reset function, after reset all the parameters will be restored to factory parameters.
Can store up to 999 groups of data, and has a chart of historical data trend for you to review.
Compact and portable, easy to operate and to carry around with you.
Comes with 3.7V, 2200mAh rechargeable lithium battery, or can be powered up through 5V USB cable.
With professional grade detection technology, this CO2 meter has stable performance, and high accuracy.
Suitable for public site, agriculture, animal husbandry, industry, and more.
Don't operate or calibrate the equipment parameters at will to prevents error in data detection or inaccuracy.