All you have to do is create a sound near the bird on the branch and it will start to shake its head, open its mouth, shake its wing and tail and sing a bird song. The bird's bright singing will relax your body and mind and bring you back to the great nature, where you can be entirely freed from worry and enjoy a moment of placidity.Features A beautiful decoration for your home. Powered by 3 x AA batteries. Sound activated - bird flaps and sings when there is a noise. Sound activation works by detecting increase in noise level, so it will work even in noisy environments. Can be used as a security device (bird things when someone makes noise). Size - 10.5 T x 7 Dia. in. Color - Orange. Dimension - 8 L x 5 W x 9 H in.