Smartgro Digital Hygrometer (Temperature & Humidity)

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' .

• A large LCD display for easy reading.
• Either wall or surface mounted.
• Supplied with batteries