Material: aluminum, aluminum frame Dimensions measured from center of wall clock disc: Small needle: 16.5 cm, measured across the center of the wall clock disc: hour hand: 23.5 cm, minute hand: 31.5cm Powered by 1 AA battery (not included) Simple design: The cool clock has an open design with only 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 out, but we cannot 100% guarantee that the items will remain intact when delivered to you. If there is any problem, please feel free to contact us first, so that we can provide you with the best service