£13.49
This reliable combo digital Thermo-Hygrometer from Smartgro simultaneously displays your grow room temperature and relative humidity%. At a push of ...More
This reliable combo digital Thermo-Hygrometer from Smartgro simultaneously displays your grow room temperature and relative humidity%.
At a push of a button it also records the highest and lowest temperature values in the grow room over your set time frame. Reads in either F' or C' .