4? Reflex Loudspeaker (loudness: 105 to 110db)32 MB Internal Memory - stores 100 permanent soundsExternal power jack with mounting bracket for motorized decoy (Removable cover to expose mount and connector)Swiveling legsIntegrated Remote DockDurable ABS ConstructionPowered by 8 AA batteries (batteries not included) Remote ControlIntegrated/removable remote controlAll functions are controlled thru remoteRemote control with backlit screen with 4 to 6 lines of text/iconsUp to 300 yards range for remote control