• Add HD FPV to your RC car, boat, plane easily! • No need for a flight controller. • Affordable and versatile!
The ChaddRainsFPV O3 Arm is a must-have for FPV enthusiasts. It solves the power output issue of the DJI O3 video system. Just power it on for ~20 seconds, connect your O3 Air Unit with the stock cable, and power it from a 2S - 4S LiPo. There's also a JST - XH connector for a 5V fan and an optional solder pad for PWM input.
Check out our DJI compatible gear section and HD VTX Available here!


This product, the ChaddRainsFPV O3 Armer, is designed for those who want to add high - definition FPV capabilities to their RC vehicles like cars, boats, or planes without a flight controller. It's easy to use. Just power it on, connect your O3 Air Unit, and you're ready. There are additional features like a connector for a fan to keep the O3 cool and an option for PWM input. It's affordable and highly versatile, making it a great choice for FPV hobbyists.