Note: When using the wall clock, three No. 5 batteries need to be installed.The package does not include the battery. Batteries not included "The Wall Clock is designed with real moving gears in the centre of the clock, sophisticated and vintage. Put the batteries in and the various different sized gears start to spin, definitely an eye-catching wall decoration for your place. Material:The gear clock is made of metal in with a 3D cut-out design and a feel. The style without a second hand makes this oversized wall clock yet unique. Home dcor :Whether you are moving into a new home or looking for a gift to make an statement in your entryway, kitchen, living room or bathroom, theWall Clock will create an industrial and steampunk look. Application:Wall clock with real moving gears is a great for your empty wall space, perfect for living room dcor, , kitchen, office, hallway, bar and more. This decorative vintage wall clock can also be given as the perfect gift. Perfect After-sales service: If you have any problem, please contact us immediately, we will help you solve it as soon as possible."