Clocks: Get a multifunctional garden clock. Garden Clock: This clock can be used both indoors and outdoors. Weatherproof: This clock Is also weatherproof and can handle the worst of weathers. Not Included: Requires 1x AA battery (not included). Included: Included in the clock is a built in thermometer and hygrometer, so it can measure temperatures from -50 to 50 degrees Fahrenheit, and the hygrometer can measure humidity from 0% to 100%. Size: 30cm. Multi-Functional Garden Clock | Living Social