Mondi Mini Greenhouse Thermo-Hygrometer This revolutionary product mounts anywhere on your Mondi Mini Greenhouse and reads the temperature and humidity inside the dome. In combination with Mondi Easy Vents, it ensures plants get the start they need by providing growers with the essential real-time information necessary to produce large quantities of healthy plants. Displays current temperature and humidity, as well as min/max temperatures and humidity history. Celsius (°C) and Fahrenheit (°F). Made from premium Japanese components and technology. Includes battery.