Specification :

This is a 2 unit set where the
remote unit (smaller unit) is placed
inside of the building where the
swiftlets make their homes, and
the bigger unit is used to read the
readings of the humidity as well as
the temperature of this smaller unit. (Range 30 m)
This hygrometer is used to monitor
the humidity and temperature so that
the operator of the swift farm can take
quick action in case the readings
exceed that of the desired temp./humidity.