2.4G Remote Controller Board + Receiver Board Kit 3.7V Receiver Transmitter Radio System for DIY RC Airplane Toy Quadcopter Categroy_Flight Control the neutral point must be

the neutral point must be calibrated)

Material: Fiberglass Frame kit

DSSS&FHSS act perfect on anti interference

Excellent workmanship

Attention:  The Color of Hexagonal Aluminum Columns and Landing Gear Will Be Changed By Factory

2.4G Remote Controller Board + Receiver Board Kit 3.7V Receiver Transmitter Radio System for DIY RC Airplane Toy Quadcopter Categroy_Flight Control the neutral point must be[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