Overview
The DarwinFPV O4 Pro waterproof protective case is a CNC-machined aluminum protective case designed for the DJI O4 Pro transmitter module. It provides dust and water resistance, multi-point mounting options, and support for DJI Action 4/5 filters for expanded shooting and outdoor use.
Key Features
- IP67-rated protection: Rated IP67 for dust and water resistance; remains functional after 30 minutes of immersion at 0.5 meters depth.
- Quick-release compatible: Compatible with standard GoPro mounts and paired with a quick-release cable connector for tool-free switching between devices.
- Efficient passive heat dissipation: Large-area cooling fins and aluminum thermal conductivity help reduce overheating triggers and lens fogging during high-power operation.
- Professional filter support: Designed specifically for DJI Action 4/5 filters; supports ND filters and polarizers (examples shown: CPL, ND8, ND16, ND32).
- Glue-free installation: Optimized structure supports quick installation without glue to help avoid device damage and preserve official warranty coverage (as described by the manufacturer).
- Multi-interface expansion: Three sets of M2 threaded holes plus 1/4" standard threaded sockets for accessories such as gimbals, fill lights, and microphones.
Specifications
| Product | O4 Pro Waterproof Protective Case |
| Material | CNC aluminum |
| Water/Dust Rating | IP67 |
| Waterproof Condition (rated) | 30 minutes at 0.5 meters depth |
| Mounting Compatibility | Standard GoPro mounts |
| Filter Compatibility | DJI Action 4/5 filters |
| Mounting Threads | Three sets of M2 threaded holes; 1/4" standard threaded sockets |
| Included VTX cable length | 150mm |
| Included heat shrink tube size | Phi 15.4mm (transparent, with adhesive) |
| Included screw spec | M2*4 Hexagon Socket Round Head Black304 Stainless Steel Screw |
What’s Included
- O4 Pro Waterproof Protective Case
- 1 x CNC Gopro Mount Base
- 5 x GD460 Thermal Grease
- 2 x Phi 15.4mm transparent heat shrink tube with adhesive
- 1 x 150mm VTX Cable (Single-ended SH1.06P)
- 1 x Manual Card
- 2 x Sticker
- M2*4 Hexagon Socket Round Head Black304 Stainless Steel Screw
- 1 x Simple Small Wrench
Applications
- Outdoor and all-weather shooting (rain, dust, water exposure)
- Multi-device mounting setups using GoPro-style mounts
- Accessory mounting via M2 / 1/4" thread points (gimbals, lights, microphones)
For product compatibility questions or installation support, contact https://rcdrone.top/ or email support@rcdrone.top.
Details

Built for outdoor flying and filming, the CNC aluminum housing adds IP67-rated protection and flexible mounting for the O4 Pro module.

IP67 dust and water resistance helps keep the setup running in rain, spray, and dusty environments.

Standard GoPro-style mounting and a quick-release cable connector make swapping between rigs fast and tool-free.


Add DJI Action 4/5 filters like ND or CPL to control glare and exposure for brighter or reflective scenes.



Everything needed for installation comes in the box, including the GoPro mount base, VTX cable, screws, and small wrench.
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