Material: alumnium,aluminum frameDimensions measured from the center of the wall clock disc: Hour hand: 16.5CM, Minute hand24.3CM. Measured through the center of the wall clock disc:Hour hand: 23.5CM,Minute hand: 31.5CMPowered by 1 x AA battery(not including)Simple Design: Cool clock has an open design with just minute and hour hands.Make a statement by adding this funky clock to your home decor. Our products have been well tested, examined and packaged before sending off, but we cannot guarantee the items remain undamaged when delivered to you. Any problem please feel free to first so that we can supply the best service for you Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.