Final Price Drop [New NDIR Sensor Equipped CO2 Monitor Carbon Dioxide Concentration Meter with Thermometer and Hygrometer]

New, unused.

This is a CO2 (carbon dioxide) monitor equipped with an NDIR sensor.
You can check the indoor CO2 concentration displayed in ppm, which is useful as a guideline for ventilation.

Simultaneously displays temperature and humidity, with a clock function.
An alarm will notify you when the CO2 concentration exceeds a certain level (approximately 1000 ppm).

Recommended for managing study rooms, bedrooms, offices, and home office environments.

[Main Features]
- CO2 concentration measurement (NDIR method)
- Temperature display
- Humidity display
- Clock display
- Alarm function

Immediate purchase OK ??

This was a prize, so the box may have some dents.

* The NDIR method is said to provide higher measurement accuracy than simple sensors.