This 18 inches round clock features a thermometer (Fahrenheit) & hygrometer (relative humidity), making it perfect for monitoring indoor or outdoor conditions. The weather resistant case protects the battery compartment & lens gasket, while the atomic time with manual setting ensures accuracy. Plus, with four time zones, this clock is perfect for keeping track of time no matter where you are. The plastic frame, glass lens, and mental hands add durability and a touch of elegance. Product Features: Atomic time with manual setting Weather resistant case Durable plastic frame & glass lens Four different time zones Requires two AA battery (not included) Recommended for both indoor and outdoor use Made in the USA Dimensions: 18”H x 18”W x 2.25”D Material(s): plastic Color(s): white/silver