I really like these LED light strips which plug right into a spare channel on the receiver, unfortunately you can't toggle on/off with the transmitter:
Add the pizazz of lighting to your aircraft with our FireFly LED strips. The strips come in wired in pairs with JR servo style power connectors. (It is possible to cut them apart and use them individually) The LED's are mounted to a 1mm fiberglass strip a
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These single navigation lights connect to a spare channel on the RX and can (!!) be toggled remotely by the TX:
Whether you want to improve your plane's realism or will actually be flying at night, flashing navigation lights are an excellent accessory for improving your planes visibility. We have these navigation lights available in 5 colors. White, Red, Blue, Green and Orange. The lights are very bright...
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We usually connect two of the nav light assembles via Y-harness and plug into a single RX channel.
I'm still searching for the "perfect" combination of lightweight wire and tiny LED module for use on our smaller aircraft. This item might be just about right:
5050 RGB LED 5v
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