This call allows you to bleat and grunt using just one call. The Power Buck & Doe's dual reed assembly for inhale-exhale operation produces the throaty grunts and clicking tones of aggressive bucks and Estrus bleats and cries of does. It includes a built-in compass.Features: Dual-reed assembly for inhale-exhale operationThroaty grunts and clicking tones of aggressive bucks to Estrus bleats and cries of doesSingle and double-reed options, all-in-one call