This is the New Gen 2 model 1/5 Rovan RC Petrol Kill Switch for Flysky GT3B, FS-iT4S, Radiolink RC4G ,BER TRC1 & Futaba
The new automatic Version without setting the remote control, you can link to the spare 3rd or 4th channel ,wait 6 seconds to boot self-test warning lamp is lit to start the engine, you can use the AUX remote control engine kill by the 3rd or 4th channel and toggle the channel switch to turn off the engine…