Creative Cupcake Alarm Clock for Home Decor 5" Plastic case, glass lens. Size: 5" x 2" x 5", Diameter: 5" di-di-di sound wakes you up from sweet dream naturally. Smooth sweeping movement of clock hands with minimal sound. Powered by 1 AA battery, ordinary Carbon Zinc battery( not included). Creative cupcake pattern with woodgrain frame design, perfect for a minimalistic style modern bedroom.