Features: 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 - Set calls to play in order 2.4" Color Game Caller Remote Carabiner for hanging/mounting 200 yard range RF communication technology Powered by 8 AA Batteries (Base) & 4 AA Batteries (Remote)