Aranet4 CO2 Monitor
A great way to help you determine your indoor air quality!
How do you know if the indoor air you are breathing is well ventilated? Experts agree that the best way is to measure CO2 (Carbon Dioxide). Bluetooth compatible. Uses precise non-dispersive infrared sensor technology. Easy to read e-ink display. Uses 2 C batteries. Super efficient design ensures long battery life (up to 2 years). Also measures relative humidity, temperature and atmospheric pressure.
