Futaba 7 C Series digital proportional computerised 7 channel R/C Transmitter . This system is extremely versatile and may be used by beginners and pros alike. Package includes Tx Battery Pack, 2 Futaba Dual Conversion FP-R1380DF 8 Channel FM Receivers and 2 Pairs (TX and Rx) of compatible Crystals; Channels 57 & 76. (Note that as in photo the Transmitter RH Stick is a modification made many years ago but has functioned perfectly since).Full Futaba Instruction Manual also included.