Hydrogarden Combined Nutrient & Growroom Thermometer

Hydrogarden Digital Combo Nutrient and Grow Room Thermometer - Simultaneously displays your nutrient tank and growroom temperature reliably. Features extreme temperature audible alarm, designed with a large LCD display for easy reading. Wall or surface mounted to suit your needs. Batteries included.Highly recommended, for indoor, green house, or grow tent use only, not suitable for outdoors. ( probe is ok )plant temperatures need to be closely monitored, this is a great easy device to to do the job