9CH Transmitter Module: Second generation automatic frequency hopping digital system, Supports AFHDS 2A receivers.
Can be installed in the FS-TH9X, Can switch output modes.
Receiver Failsafe Settings: The receiver can normally receive the transmitter signal, push the rocker to the the failsafe set, long press the receiver bind button, the blue light flashes quickly several times and then always bright , failsafe settings is successful.