The Hanging Wall Clock with a Thermometer and Hygrometer from Lilys Home is designed to work both indoor and outdoor and has been crafted to be weather resistant, whether rain, or snow, sleet, or sun! The built-in thermometer can measure temperatures from -40 to 140 degrees Fahrenheit while the hygrometer can measure humidity from 0% to 100%. Framed by a durable stone replica construction, it resists the elements and makes this clock combination fantastic for any room, patio or garden. Measure 14" and operated by 1 "AA" battery (not included). Easy mounting with an integrated hang hole in the back.