Create the perfect environment in your with the GZAIR 3 Portable Indoor Temperature and Relative Humidity Carbon Dioxide Detector. This all-in-1 device measures all levels of your home and the surrounding air to ensure your family stays comfortable and safe from undetectable harm. A high-precision NDIR sensor ensures accurate and high-quality readings. The internal memory holds up to 22,528 individual readings, which can be exported to your PC. This home monitor has a built-in rechargeable battery that can last for up to 10 hours, allowing you to take the monitor anywhere you need it, mounting on a wall or standing on a table. The device's visual system logs all recorded levels for up to a week so you can keep track of your home's temperature levels and ensure your CO2 levels are healthy. For plant lovers, you can adjust the monitor to alert you when CO2 concentrations are too high or too low. With this convenient device, you can track and monitor the levels of your home with ease, allowing you to keep your household safe without even trying! Stay safe with the GZAIR 3 Portable Indoor Temperature and Relative Humidity Carbon Dioxide Detector.