B: AIO GOGGLES connect with the RC Transmitter with a data cable, RC Transmitter supply power to the AIO GOGGLES 
C:Along with the AIO GOGGLES tracking signal output to the RC Transmitter,the AIO GOGGLES tracking signal and the RC Transmitter control signal received by the receiver in the RC Aircraft 
D:Camera captured images and sound transmitters to the sky by the A/V Transmitter,Then,AIO GOGGLES can receive video andaudio within a certain range,the Manipulate people can see the images from the virtual real-time large-screen display built-in the AIO GOGGLESs,and hear the sound from the earphone built-in the AIO GOGGLES

AIO GOGGLES apply to:

Rc Hobbies,helicopter and multicopter;
remote control aircraft
remote spacecraft

remote control toys