The large display of this Digital Thermometer Hygrometer shows current temperature and humidity levels. Records high and low points and includes a 3 meter waterproof remote probe for a second zone temperature.
Indoor Temperature: 14°F to 122°F (-10°C to 50°C)
Outdoor Temperature: -58°F to 158°F (-50°C to 70°C)
Indoor Humidity: 25% RH to 98% Relative Humidity
Mount outside your grow room and run the sensor probe into the garden. This will allow you to check readings without having to disturb your crop.