SPMA100 Optical Ignition Kill Switch

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The Spektrum SPMA100 Optical Ignition Kill Switch is a remote controlled airplane accessory that allows you to kill your gas engine remotely from your transmitter. It is a must-hav e safety device for any model with a gasoline engine. The kill switch is fiber optically coupled to isolate your radio system from the ignition system so you don't have to worry about interference Show more