Indoor temperature measurement range from -14°F to 122°F (-10°C to 50°C). Indoor and outdoor humidity range of 1%-99% RH. Outdoor temperature measurement range from -40°F to 140°F (-40°C to 60°C). Weather forecast function with 5 modes: Sunny, Partly Sunny, Cloudy, Rain, Snow. Low battery indicator for both the main unit and outdoor sensor to prevent device communication interruption, along with a plant indicator for seasonal changes and a temperature trend function., Weight: 0.82232423726 pounds, Manufacturer: Aboiled