Lightweight and powerful, the Grim Speaker is packed with 5 pre-programmed, authentic Johnny Stewart predator calls in 16-bit clarity. Each call loops for 30 seconds to keep the action rolling. The 5 pre-loaded sounds are Desperate Cries of a Cottontail, Crywolf Bark/Howls, Coyote Pup Distress, Fawn Bleating and Vittles a'la Jackrabbit. Uses four AA batteries (not included), remote uses one 12V A23 battery (included).