This is the Tactic TTX300 2.4GHz 3-Channel SLT Transmitter for the Arrma Nero (ARAD70**) and Nero with Diff Brain (ARAD71**). **IMPORTANT, to add the Diff Brain function to the standard Nero,** **the EDC Diff Brain (ARAC4056) and three Diff Locking Servos ARAM1022** **must be purchased** FEATURES: Dual rate steering Steering and throttle trim and reverse Diff Brain function allows easy switch between four driving modes on transmitter; Blast-All Diffs Unlocked (default) Wheelie-Center Diff Unlocked Drift-Center and Rear Diffs Unlocked Climb-All Diffs Locked INCLUDES: Tactic TTX300 2.4GHz 3-Channel SLT Transmitter for the Arrma Nero REQUIRES: Four AA cells COMMENTS: If the Tactic TR326 3-ch SLT HV receiver is needed, order TACL0326