✈️ Explorer LR 4 O4 Sub250 – Compact 4K Long Range FPV Drone

Built for creators, travelers, and FPV enthusiasts, the Explorer LR 4 O4 Sub250 merges portability with high-end performance. Its ultra-lightweight sub-250g design makes it travel-friendly and regulation-compliant, while the DJI O4 Air Unit delivers crisp video, ultra-low latency, and reliable long-range control. Whether you’re chasing fast action or navigating tight spots, this drone is your perfect adventure companion.

? Ideal For

• Travel vloggers & outdoor adventurers who need a lightweight, hassle-free drone for cinematic footage.

• FPV pilots looking for HD recording and smooth handling in a compact build.

• Hobbyists who want portability without sacrificing range or flight time.

? Key Highlights

✅ Extended Transmission – Up to 20KM range (FCC) for confident long-range flights.
✅ 4K/60fps Recording – Capture stunning aerial visuals with clarity and detail.
✅ Accurate GPS – GOKU MINI GPS V3 supports up to 30 satellites for precise navigation.
✅ Sub-250g Build – Lightweight and compliant, no FAA registration required.
✅ 30-Minute Flight Time – Long-lasting performance with the recommended battery.

⚠️ Important Notes

• Disable In-Camera Stabilization – The O4 Air Unit’s sensitive gyro may cause shaking or distortion if RockSteady 3.0 is enabled. Only raw (unstabilized) footage can be recorded.

• Upgrade Option – The Explorer LR 4 O4 Pro version supports RockSteady 3.0 and offers improved low-light video.

• Video Guide – Troubleshooting tips for DJI O4 Lite stabilization are available (see official Flywoo resources).

? Specifications

• Model: Explorer LR 4 O4

• Frame: Explorer LR 4 O4 Frame Kit

• Electronics: Goku F722 Mini Stack

• Transmission & Camera: DJI O4 Air Unit

• Propellers: Gemfan 4024-2

• Motors: Nin V2 1404 2750KV

• GPS: GOKU GM10 Mini V3 (up to 30 satellites)

• Antenna: Flywoo Circular Polarized UFL (LHCP, 150mm)

• Battery Connector: XT30UP

• Weight: 154g

? What’s Included

• 1 × Explorer LR 4 O4 Drone

• 1 × Flywoo O4 ND Filter

• 8 × Gemfan 4024-2 Propellers (Black)

• 2 × Battery Straps (15×180mm)

• 1 × Screw Set

❓ FAQ

Q: Why is RockSteady 3.0 not supported?
A: The O4 Air Unit’s gyro is highly sensitive to vibration, which can overload stabilization software and cause shaking. Use raw video only.

Q: Difference between O4 and O3 versions?
A: Only the camera mount—O4 Pro is optimized for the DJI O4 Pro Air Unit.

Q: What’s the realistic range?
A: While the O4 claims 15KM (FCC), typical flights achieve 3–5KM in ideal conditions.

Q: Any jelly effect in footage?
A: No—both goggles view and recordings are smooth and stable.

Q: Recording resolution?
A: Yes—4K/60fps supported via DJI O4 Air Unit.

Q: Flight time with Explorer 18650 3000mAh?
A: Around 25–30 minutes under optimal conditions.

Q: Beginner-friendly?
A: Yes—intuitive controls with GPS-assisted stability.

Q: GPS accuracy?
A: Up to 30 satellites supported for precise RTH and navigation.

Q: Sub-250g compliance?
A: Yes—even with a 4S 750mAh battery.

Q: Crossfire/ELRS compatible?
A: Fully supports Crossfire, ELRS, and SBUS.

Q: Video latency?
A: Ultra-low, ensuring real-time responsiveness.

Q: Professional use?
A: Yes—ideal for creators, offering 4K/60fps, long range, and GPS reliability.

• Extended Transmission – Up to 20KM range (FCC) for confident long-range flights.
• 4K/60fps Recording – Capture stunning aerial visuals with clarity and detail.
• Accurate GPS – GOKU MINI GPS V3 supports up to 30 satellites for precise navigation.
• Sub-250g Build – Lightweight and compliant, no FAA registration required.
• 30-Minute Flight Time – Long-lasting performance with the recommended battery.