features clear, large and easy to read Roman Numbers to make it a great time-telling option. High quality movement: The exquisite and unique hands goes accurately, which is very convenient to home decor. AA battery powered: This hanging clock requires one AA battery(not included) to ensure a long time power supply. Put the battery in the back of the wall clock and and set the correct time using the small wheel. Easy hanging installation: With back hole for wall mounting, it ensures easy installation on any wall. It is very convenient to move on or take down. This thin wall clock is good for space saving. Perfect decoration: Vintage wall clock (23.6 * 23.6 * 1.8in) with Roman Numbers match the decor of any big or small room in your house or office. It is also suitable for classic restaurants or bars, which adds a touch of artistic atmosphere.