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| Version | 4S |
|---|---|
| Size | 3.5" |
| Style | Freestyle |
| VTX | DJI O3 Air Unit |
| Weight | 216g |



The iFlight iH3 O3 4S HD is a 3.5-inch "H-frame" micro cruiser that brings the full DJI O3 experience into a smaller, more accessible footprint. Unlike typical X-frames, its H-geometry is specifically designed to keep propellers completely out of your 4K flight footage, making it a favorite for cinematic "mountain surfing" on a smaller scale.
H-Frame Geometry: The "Deadcat" style H-frame pushes the front motors back and away from the camera's field of view. This ensures that even at ultra-wide 155° FOV, your HD video remains clean and unobstructed.
Mid-Range Specialist: Equipped with an onboard GPS (GPS+Galileo), the iH3 provides essential data like distance-to-home and ground speed. It also supports "GPS Rescue," allowing the drone to fly back to you automatically if the signal is lost.
Quiet & Efficient Power: The XING 1504 3100KV motors are slightly larger than typical 3-inch motors, providing high torque for a 4S setup. This makes the drone feel more like a 5-inch machine in terms of stability while maintaining a lower noise profile.
Integrated Anti-Spark: Features a built-in anti-spark filter to protect your electronics from voltage spikes when plugging in high-performance 4S batteries.
Action Cam Ready: While the O3 camera is excellent, the frame includes a specialized TPU canopy designed to carry a "Naked" GoPro or GoPro Bones for professional-grade 5K stabilization.
Technical Specifications:
Wheelbase: 168mm
Weight: ~216g (without battery)
FC & ESC: BLITZ Mini F7 FC + BLITZ Mini E55 4-IN-1 ESC
Motors: XING 1504 3100KV
Propellers: HQ 3.52.53 3-Blade
Video System: DJI O3 Air Unit (4K/60fps)
Max Speed: 110 km/h
Max Hover Time: ~12 mins (850mAh 4S) / ~18 mins (1050mAh 4S)
GNSS: GPS + Galileo
Pilot's Reality Check:
Weight vs. Agility: Because it carries the full DJI O3 Air Unit and a GPS, the iH3 is "heavy" for its size. It excels at smooth, cinematic cruising but is not intended for aggressive, high-speed racing or tight technical bando freestyle.
Prop Wash: On 3.5-inch props, you may notice some "prop wash" (wobble) when descending vertically through your own air. It requires a slightly smoother throttle hand when leveling out from dives.
Flyer's POV: Flying the iH3 feels "locked in" and surprisingly mature. It doesn't have the twitchiness of a smaller 2-inch or 3-inch drone; instead, it tracks through the air with a weight and authority that feels like a "mini 5-inch." The GPS and 18-minute hover potential make it incredibly relaxing for long-range exploration. You can confidently send it over tree canopies or across fields, knowing the O3 link is rock solid and your footage will be crystal clear.
1 * iH3 O3 4S HD BNF Drone
1 * DJI O3 Air Unit Dual-Band Antenna
2 * HQ 3.52.53 Propellers (Pairs)
1 * Battery Anti-slip Pad
1 * Screw Bag
1 * Naked GoPro Power Cable
| Version | 4S |
|---|---|
| Signal | Digital |
| RX | DJI O3 Air Unit, ELRS, TBS Crossfire |
| Size | 3.5" |
| Style | Freestyle |
| VTX | DJI O3 Air Unit |
| Weight | 216g |