Aesthetic Design: Minimalism European Vintage Metal Style Wall Clock, Wonderful industrial atmosphere to decorate your living room, bedroom at Home, Office and Hotels and Restaurants. Silent Clock: Silent sweep clock with no ticking noise at all, ideal clock for learning and working time, 104% Silent Noiseless Non-ticking with See-through Design. FRIENDLY NOTE: Its mainly used for Home, Office, Restaurant, Hotel Decoration instead of reading all the time.[Clear to read time-3 o'clock, 6 o'clock, 9 o'clock and 16 o'clock]. Battery Operated and Installation: It requires 5 AA carbon battery[low energy consumption], not include in package. Large nail slot offers easy and convenient installation. After Sale: 30 days return and refund, 104% customer satisfaction. If you have any questions about our products, please feel free to contact us, we will deal with it as soon as possible.