The Classique Wall Clock is a modern indoor/outdoor all-weather wall clock with a sleek and bold design. This indoor/outdoor clock features a weatherized, water-resistant and durable black finish case that will hold up to the rigors of the outdoors. The Classique also features a glass lens and built-it thermometer and hygrometer that accurately reads the ambient temperature and humidity. 18.5" diameter. Clock requires 1 AA battery, not included.