Overview
OddityRC XI20 Pro HD O4 Pro Version 4S is a compact 2-inch cinewhoop-style FPV drone build designed around an HD digital VTX installation space for DJI O4 Air Unit Pro (unit not included). It uses an OddityRC F722 40A AIO flight controller, Spinnybois 1205 5500KV motors, and Gemfan D51-4 propellers for a 4S setup.
Notice
- This product does not include the DJI O4 Air Unit Pro.
- Gemfan D51 5-blade props may cause jello in O4 footage; Gemfan D51-4 props are recommended for the O4 version.
Key Features
- XI20 Pro HD O4 Pro Version frame layout
- OddityRC F722 40A AIO flight controller (MAX 50A)
- Spinnybois 1205 5500KV motors
- XT30 battery plug
- Receiver options: PNP / ELRS 2.4G / ELRS 915M / TBS Nano RX
Specifications
| Product Name | XI20 Pro |
| Frame | XI20 Pro HD O4 Version |
| Flight Controller (FC) | OddityRC F722 40A AIO (MAX 50A) |
| VTX | DJI O4 Air Unit Pro (not included) |
| Receiver | PNP / ELRS 2.4G / ELRS 915M / TBS Nano RX |
| Motor | Spinnybois 1205 5500KV |
| Propeller | Gemfan D51-4 |
| Recommended Battery | 4S 650mAh-850mAh |
| External Dimension | 128*128*51mm |
| Wheelbase | 95mm |
| Propeller Diameter | max 2 inch |
| Main Plate Thickness | 2mm |
| Battery Plug | XT30 |
| Weight | 94.6 g |
What’s Included
- XI20 Pro Drone * 1
- Gemfan D51-4 Props * 2
- Spare screw kit * 1
- Spare prop guard * 1
For setup and support questions (including receiver selection: PNP / ELRS / TBS), contact support@rcdrone.top or visit https://rcdrone.top/.

Built around a dedicated DJI O4 Air Unit Pro installation space (air unit not included) with 4S power, XT30, and a 2-inch cinewhoop frame.

The compact ducted layout protects 2-inch props and keeps the build tight for indoor and close-proximity flying.


Overall size is 128×128×51 mm with a 95 mm wheelbase, sized for a portable 2-inch build.

Details





A lightweight dry build around 94.6 g helps keep 4S handling responsive once electronics and battery are installed.
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