Blow into the nine-inch horn to make it roar, bellow and howl! Adjust the dial for up to nine different critter calls ? duck, eagle, owl, turkey, coyote, bear, elk, bobcat and wolf. Includes handy strap and animal details. Three AA batteries required. When in “demo” mode, you do not need to blow into the horn to make the animal call. Flip “demo” off, then select animal and blow to create the animal call.