Bios Indoor Thermometer / Hygrometer Combo (2 Dial)

BIOS Indoor Thermometer / Hygrometer Combo (2 Dial) is a thermometer and hygrometer combo for tracking temperature and humidity. It helps you dial in temperature, humidity, and airflow so your plants stay comfortable and productive. Use it as part of your overall ventilation and climate setup to create a stable environment from seedling to harvest.