Time Roaming 10" Modern Decor Silent Metal Wall Clock Sport Series, Golf Material: 100% metal frame with black piano painting. Movement: Sweep international standard quartz movement to ensure accurate travel time clock and quiet living environment. Runs 1 AA battery (not included). Size: 10 inch diameter (25.5cm), depth of 1.65 inch (4.2cm) Design: The most fashionable artistic decorate any room in your home or office. Authentic guarantee: This product was made by Time Roaming brand team which never granted to any other sales agents. Please look for the brand name [Time Roaming] before purchase, we offer 100% authentic guarantee for the goods.