Steer and control your RC vehicle with the T4PM SR Digital Proportional RC System Transmitter from Futaba. The transmitter is a 4-channel, 2.4 GHz remote control system with a backlit display. The T4PM features T-FHSS bidirectional telemetry, SR (super response), and Mini-Z system modes that pair with separately available receivers. Also featured is the S.Bus servo and MC link function, 40-name model memory, 4WS and Gyro mixing, and a built-in adjustable throttle trigger. There is a microSD card slot for firmware upgrades, a transfer communication port for receiver connectivity with the DSC optional cord, and a DC barrel charging port. The transmitter runs on three AA batteries or a NiMH/NiCd/LiFe battery (sold separately).