Western Rivers 206 Apache Pro Combo MP3 Game Caller Allows you to recall (10) sounds at a time and view (5) sounds on the LCD screen to choose your calling selection Caller and the remote both have large 128 by 64 high resolution illuminated LCD's for pre-dawn and nighttime use The select-a-speaker design offers the option of playing the caller with one or both speakers at the same time Win hi-fi horn speakers really boost the volume to an unprecedented level of performance This unit will operate up to 10-12 hours on eight new AA batteries