- A37 is used to detect CO2 concentration in different environments. The LCD displays CO2 concentration, temperature, humidity, and date/time together. Air quality is indicated with emoticons. When CO2 concentration gets too high, audio and visual alarm will go off.
- 1. Automatic baseline correction
- 2. Audible and visual alarm
- 3. Low battery indication
- 4. Auto power off
- 5. Backlight
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Variety mode of payment