This is the Futaba 4PLS 2.4GHz T-FHSS Radio System with the R304SB 4-Channel Telemetry Receiver. FEATURES T-FHSS (telemetry), FHSS and S-FHSS transmission modes Temperature, voltages and RPM can be monitored in real-time, and logged for future reference (sensors not included, must be purchased separately, see COMMENTS below) 40 model memory 10 character model naming and user name Fail safe on all channels Large 128x64 dot backlit LCD display with contrast adjustment Gyro, dual ESC, four wheel steering and brake mixing Anti-skid braking system Throttle acceleration reduces time lage of clutch & brake operation Throttle and steering speed adjustment Racing timer records 100 lap times and total time One programmable mix User updatable software using the CIU-2 PC Interface (not included, order FUTM0951) Data logging at user-settable intervals Assignable functions Model data transfer, model copy and model clear MC LINK Digital trims Steering wheel and trigger adjustments