Spektrum DXe DSMX 2.4GHz 6-Channel Tx Transmitter Only, SPMR1000 Combines the versatility of a programmable transmitter with the simplicity of a basic sport radio, perfect for RC pilots flying on a budget Create and save basic model setups, including servo reversing and trim adjust, using free Spektrum app or software interface via mobile device or PC Ideal for Bind-N-Fly aircraft, many with no programming required Four control surface channels, 3-Position flap, 2-Position auxiliary, 3-position AS3X/SAFE flight mode, Bind/Panic/Return Home for SAFE equipped models Requires free programming app or software for basic programming. Advanced features require SPMA3081 or SPMA3065 programming cable (sold separately)