Game Call Features: Single 4a ^2 reflex horn driver maximum 120db Output 8GB internal memory (2) two external jacks to accommodate secondary amplified speaker(s) for virtual surround functionality Auxiliary output to trigger motorized decoy (sync) in addition to motor sync connector Sound overlay allows two sounds to play simultaneously Configurable preset volume levels for different calls Sequential call playback to select speakers (when using auxiliary speakers) Customizable quicksets 2-5 "calls" to play in set Set random or sequential play with preset spacing distances between "calls" of 5 sec. 10 sec 20 sec. 30 sec. 2a ^2 dot matrix display USB Jack Powered by 8 AA batteries - not included 40 Preloaded CallsRemote Features: Four channel long range remote 2.8a ^2 LCD screen Transmits up to 300 yard range Complete control of all Call functions Backlit push buttons 50% volume reduction button to help bring predators in closer.