This is the Racers Edge Glitch Buster Power Capacitor. These can be plugged into any open channel on your receiver to help reduce glitching caused by radio interference on your RC car, truck, or buggy. Compatible with Spektrum, Futaba, Hitec, Traxxas, and all other surface radio systems with a standard 3-pin receiver connection.
Plug this cap into an open channel in your receiver in order to quiet any glitching caused by interference. Recommended up to 8.4 voltage.