Flysky GT5 remote controller can store 20 models, each model can set the parameters separately, but also can write the model name easy to remember. Keep all cars specific trims and End Point Adjustment (EPA) setting data to avoid massive immigrating data from other radio transmitters. Flysky GT5 F.SAFE Out of Control Protection --- Through set out of control output value, you can set Multiple Channels Out of Control Protection, make the remote controller mode smooth and steady stop when accidentally disconnected.