2.4G Remote Controller Board + Receiver Board Kit 3.7V Receiver Transmitter Radio System for DIY RC Airplane Toy Quadcopter

[Emission board size]: 52*89mm [Receiver board size]: 22*46mm [rated voltage]: 4.5V for the transmitting board; 3.7V for the receiving board [Remote distance]: within 60 meters [Fixed Aperture]: 2.5mm [set weight]: about 27 grams

[Connection Description]:

★ The red and black wires (VCC/GND) of the transmitting board are connected to the positive and negative poles of the 4.5V power supply; ★ The receiving board plug is connected to the 3.7V power supply, and 4 motors can be connected. Each group M+ is connected to the positive pole of the motor, and M- is connected to the negative pole of the motor. ★The silver wire is the antenna, no need to connect