Originally Posted by Metallover

I'm holding one of those in my hands right now. The wires are a 6-22v input. The 2 pin is for a 4-5.5v input. You can use either one.

With the button. There are four lights(the white things). One is power. The other displey the mode. One is normal use the knob to turn the servo (or throttle). One is make the servo go back and fourth as fast as it can to test the speed. The other is some wierd mode that is wierd. It might center the servo.... The button switches through the modes.