Continually Monitors Indoor Air Quality (IAQ) for Home and Office.

Poor air quality may cause tiredness, inability to concentrate, and even illness (i.e., Sick Building Syndrome). Ideal for monitoring indoor air quality in homes, offices classrooms, hotels or anywhere air quality is important. Fresh air is especially important to help lessen the spread of contagions and maintain a healthy environment.

Provides audible alarms for CO2 threshold. Maintenance free sensor ensures long-term accuracy, stability and reliability. The compact design features a large display with a bar graph indicating CO2 trend for up to 24 hours. 3 backlight colors indicate air quality status with four additional user selectable backlight color choices. Calibrates easily to fresh air and comes with a USB power cable. Will stand on a desktop or can be wall mounted.

• Air Temperature
• Relative Humidity
• CO2
• Time

Dimensions: 4½" × 2 ½” × 1 ¼” (108 × 67 × 30 mm)
Weight: 3 oz (90 g)

- by Emily Anthes, NY Times - Oct. 10, 2021