The system comes pre-loaded with 100 time-tested Johnny Stewart animal sounds and a USB connection to download more calls from the Johnny Stewart call list easily. Its wireless remote with a 2.4 color screen and 300-yard range makes operation easy. The call's powerful 3.5 horn speaker reaches volumes up to 120dB to reach out great distances when you need it to. Built-in legs allow you to set the speaker side of the Executioner up off the ground and set the direction. Uses 8 AA batteries (not included) in the base unit and 4 AA batteries (not included) in the remote;Carabiner for hanging/mounting.