Lightweight and powerful the GS1 is packed with five preprogrammed authentic Johnny Stewart predator calls in 16-bit clarity. Each call loops for 30 seconds to keep the action rolling. Handheld remote nests in the back of the caller and has a range of 50 yards. Loud compact and ready to get in the field. Pre-programmed with 5 authentic predator calls. The 5 pre-loaded sounds are desperate cries of 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).