Ko Popping 2.4GHz FESS 4ch Receiver this time we would like to thank you for purchasing the KR-418TH. This product corresponds to the transmitters that are sold by sur company, listed below. Please read this instruction manual before using this product, Else please read the instruction manual of the transmitter being used. EEE re ne ee The contents of this display show a possibility of death or where a serious injury may occur Warning or 2 highly substantial damaging a Warning accident may occur.