Auto night shut off in dark (sensor) single bird and pendulum hut shape. Single Bird Chirping Every Hour. Sound Control, Small Hut House Design. Big, Clear Representation Of The Dial On The Clock Ticking Step Movement Super Smooth Finish With Fabulous Movement Designer Clock Perfectly Made For Home Decoration , Café, Restaurant, Office, Study, Bedroom, Hotel And Classroom, Etc. Item Size: 52 cm x 31 cm x 12 cm , Package Contents: 1 Wall Clock (Battery NoT Included) (Battery NoT Included) 4 Battery Required 2 AA size and 2 C size batteries - 2 AA Size And 2 C Size Batteries