DX6 6-Channel DSMX&reg; Transmitter with AR610 Receiver (Mode 2) w/ Exclusive Smartphone Screen Cleaner Special Bundle Deal: Free smartphone screen cleaner Includes Voice Alerts and Wireless trainer out of the box AR610 6 Channel full range receiver included Advanced DSMX technology (DSM2 compatible) SD card slot for updating firmware, expanding memory and sharing setups (SD Card is not included)