2.4G Remote Controller Board + Receiver Board Kit 3.7V Receiver Transmitter Radio System for DIY RC Airplane Toy Quadcopter Categroy_Flight Control (1) PWM signal output working

(1) PWM signal output working mode：red LED indicates PWM signal output

1x Sponge mats

Simple binding procedure

Excellent workmanship

2.4G Remote Controller Board + Receiver Board Kit 3.7V Receiver Transmitter Radio System for DIY RC Airplane Toy Quadcopter Categroy_Flight Control (1) PWM signal output working[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