Hand cut and sanded Aspen slice with beautiful translucent deep blue and green cathedral stained glass face. Clock is hand sanded and sealed to provide a finished product. Clock mechanism is secured to the back of the clock and runs on 1 AA battery (not included). Clock hands are chosen to match the character of the clock. This clock can be hung, with the include brass chain, from a window where the sunlight further accents it's beauty. As with any one-of-a kind wood item, there may be small cracks or imperfections in the wood/bark; this is to be expected and won't affect the durability or functioning of the item.