This is the Thunder Tiger Raptor E720 FBL from the Heli Mega Pack with BD3SX rescue.
Dual rates DOWN is rescue/UP is normal flight. Knob controls rescue pitch.
For those unfamiliar with 3SX rescue, flick a switch and the heli self levels and escapes to the sky.
Full 3SX SL functionality is supported by the model. Change the Channel 8 values to change the level of self level or rescue. This should even work with a passthrough TX (so you can train the rescue reflex).
The full...
