Powered by 1 AA battery (not included). The old-fashioned cuckoo clock looks unique wherever it is hung. Great gift for friends who love retro crafts or art. Perfect for decoration in homes, cafes, restaurants, etc. Wooden wall clocks are ideal for home/dining/office decor. Specification: Options: CM007/CM008/CM010/CM011 Material: MDF Size: CM007: 148x216x55mm/5.83x8.50x2.17in CM008: 128x224x55mm/5.04x8.90x2.17in CM010: 128x229x55mm/5.04x9.02x2.17in CM011: 140x213x55mm/5.51x8.39x2.17in Battery: 1 AA battery (not included) Note: allow 1-3cm (0.4-1.18in) difference due to manual measurement and slight color variation for different display settings. Package including: 1 x Wooden cuckoo clock Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.