Modern Cuckoo Clock- "KooKoo BirdHouse" black Every hour the doors open and you see the bird singing depending on the option you have selected: a different bird, your favorite bird or the cuckoo. The sounds of the birds are real, recorded directly from nature. With volume control. It comes with 4 different colors of pendulums and birds. Light sensor, the birds don't sing by night. Made of lacquered wood, black mate. Dimensions: 27.5 cm (height) x 17.2 cm (width) x 11 cm (depth). Battery operated (not included). Available in a smaller size.