TransSino Treasures Traditional Wooden Clock with Quartz Movement and Cuckoo Chirping A cuckoo clock of cabin design with genuine wood carving on plywood case, comes with a wooden pendulum and 2 weight ornaments A bird 'cuckoos' on the hour - it chirps same times to count out the hours - adjustable chirping volume by a side button Program-controlled silence at nighttime from 10:00 pm to 5:00 am Requires 3 C batteries (not included) Dimension 16.9" H x 8" W x 5" D