Futaba's FASST (Futaba Advanced Spread Spectrum Technology) shifts every two milliseconds virtually eliminating signal conficts and interruptions unlike other 2.4GHz systems that only stay on one or two frequencies. Dual antenna diversity enables FASST system to automatically and seamlessly select the best reception between the two antennas built into the receiver ensuring that the aircraft stays under constant control of transmitter regardless of altitude. Newly designed Dial-N-Key jog dial with joy stick button allows cursor movement in four directions for very user friendly navigating through menus and programming. This package includes Futaba 7C 2.4GHz Transmitter, R617FS FASST 7-Ch Receiver, FBC-19B(4) 120V Battery Charger, NT8S600B 600mAh 9.6V NiCd Transmitter Battery, Switch Harness w/Charge Cord, Black Transmitter Neck Strap and Servo mounting hardware and instruction manual.