This is the FlySky FS-i6S 2.4Ghz 10-Channel ADHDS2A transmitter. It comes with one FlySky FS-iA6B6-Channel Receiver. (the radio is capable of 10-channel functionality when bound with an FS-iA10 receiver, sold separately).
This radio is primarily designed for use with drones, as it has a spring-loaded self centering throttle stick.
*Due to the size and weight of this product, it ships at a higher rate of $6.50 (priority mail); other products contained within the same package are not subject to additional shipping rates.