DX5e DSMX 5-Channel Transmitter Only Mode 2 , Model Number SPMR5510 Basic 5-channel 2.4GHz DSMX radio Easy to use control for basic models Delta wing mixing HI/LO rates Servo reversing JR and Spektrum compatible trainer system The Transmitter Only comes with the following items: 1 Transmitter, 1 Manual/Quick Start Guide, 4 Alkaline batteries