Futaba 4YF FM R168DF 4 S3004 Transmitter FEATURES: All-channel servo reversing for more installation options Transmitter and receiver NiCds made from genuine Sanyo cells can be recharged INCLUDES: One Futaba 4YF 4-channel FM radio system with NiCd batteries, 120V AC charger, frequency flags, neck strap REQUIRES: Charging batteries overnight