Mantis Pro 100 by Western Rivers features a 4" reflex loudspeakers (loudness 105 to 110 db.), with 32 mb internal memory that stores 100 permanent sounds. Has external power jack with mounting bracket for motorized decoy (removable covers to expose mount and connector). Features swiveling legs, integrated remote dock and durable ABS construction. Powder by 8 AA batteries (Not Included). Remote Control Integrated/removable remote control, all functions are controlled thru remote. Remote control with 2.0 screen with 4 to 6 lines of text/icons (LED backlit). Up to 300 yards range for remote control, Remote to have the ability to trigger a custom function / sequence of calls (Quickset functions), Backlit push button.