This is a video output cable for GoPro Hero 3 cameras, which with 5V power plug for long time FPV flight. GoPRO3 camera can be charged by 3A/5V BEC power without its original battery.
Servo male 1:
White: video out
Servo male 2:
Red: 5V positive
USB Audio/Video cable for GoPro Hero 3 cameras
Cable length: 20cm
USB head, color in black is negative, color in white is AV signal wire.
Note: Black version GoPRO3 can only operate when charging by its original battery, while Silver version can use 5V USB power without the battery.