4CH RC remote control 27MHz circuit PCB transmitter & receiver board with antenna   Radio system for toy car

The RC controller is made of plastic and electronic components material, durable, and long life service. Suitable for toy models, remote control cars, and remote control boats. Can be used to control the direction of movement of the toy car like going forward or backward. The RC transmitter and receiver have an Electronic frequency: of 27 MHz. To improve the sensitivity of the RC remote control transmitter, please give the motor a fire condenser. The output of the two rc transmitter voltages can be the size of the difference, when the battery power may be more obvious, it is recommended to take a little voltage alone to make with the steering engine.