Control LEDs from your transmitter Easy to install — simply plug into a receiver channel. Turn lights installed on your model on and off at any time. Very compact and lightweight. Great for airplane and heli orientation and night flying, or operating light bars, running lights or chassis under-lighting on cars and trucks. For use with radios with 3 or more channels with switches Source Futaba: http://www.futabarc.com/accessories/futm0940.html
