50 Johnny Stewart Premium Calls USB port for changing calls Access to Johnny Stewart call list 3.5" Horn Speaker reaching 120dB Compact size (5" x 5" x 5-5/8") Easily set QSET & Favorite Calls Sequential Call Feature â Set calls to play in order 2.4â Color Game Caller Remote Carabiner for hanging/mounting 200 yard range RF communication technology Powered by 8 AA Batteries (Base) & 4 AA Batteries (Remote)