This is the Futaba 4PV T-FHSS SFHSS 4-Channel Computer Surface Radio System with the T-FHSS R304SB Receiver.  Transmitter and Receiver Only, Servos Not Included.                                                                                                 FEATURES: 

          Compatible with two T-FHSS receivers and six S-FHSS receivers                   S.Bus/S.Bus2 servo programming                                                  Forty model memory, model copy/model clear                                      Ten character model naming                                                      Updateable via the CIU-2 and CIU-3 interface                                    Telemetry functions include Temperature, RPM, Brushless Motor RPM, and Voltage Sensor with logging capabilities and audio alerts                 (sensors not included and must be purchased separately)  (telemetry system cannot be used with S-FHSS receivers)                       Telemetry data speech via earphone                                              Programmable digital dial, push switch and push lock switch                     Anti skid braking system                                                        Display switch allows adjustments in the settings without turning on the RF signal                                                                 Backlit 39x74mm dot matrix LCD screen                                           Adjustable steering tension, and steering position (angle/APA)                  Adjustable throttle position                                                    Compatible with 2S LiFe batteries, NiMHs, dry cells and other battery options                                                                                                                                                       Programmable mixing functions;                                                4WS                                                                             Throttle                                                                        Brake                                                                           Gyro                                                                            Steering                                                                                                                                                        Channels 3 and 4 Progrmmable Functions;                                       CH3 Servo Reverse, Step, EPA, Sub Trim, Brake, ABS,                             CH4 Servo Reverse, EPA, Sub Trim, Brake, ABS,                                                                                                                   Servo Adjustments;                                                            Digital Steering Trim                                                           Digital Steering and Throttle Trim Rate                                         Steering and Throttle Reverse                                                   Steering Dual Rates                                                             Steering and Throttle EPA                                                       Steering and Throttle Expo                                                      Steering and Throttle Sub Trim                                                  Throttle/Mechanical ATL                                                         ABS                                                                             Idle Up                                                                         Throttle Acceleration                                                           Throttle Preset (hold)                                                          Throttle Servo Speed                                                                                                                                            Timer Functions;