iFlight Defender 25 HD Copter DJI O4 Pro Air Unit FPV GPS 2.4GHz ELRS

iFlight Defender 25 HD Copter DJI O4 Pro Air Unit FPV GPS 2.4GHz ELRS

Product description

Get ready for the next level in FPV flying with the iFlight Defender 25 HD Copter, now equipped with the groundbreaking DJI O4 Air Unit Pro! Crystal-clear 4K footage, ultra-low latency, GPS stability and a featherweight design under 249g - this copter is a real game changer.

Whether for cinematic aerial shots, indoor filming, outdoor freestyle or professional FPV shots: The Defender 25 combines precision, performance and easy handling in a compact powerhouse.

Ultralight & suitable for travel - under 249g
No drone license required - the Defender25 remains under the registration limit in most countries. This makes it the perfect travel companion for limitless FPV adventures.

Integrated propeller protection for creative flying
The protected 2.5-inch propellers enable safe flights - even in confined spaces. Ideal for bold maneuvers and spontaneous spins.

DJI O4 Air Unit Pro - 4K performance at professional level
Equipped with a 1/1.3-inch sensor, 155° wide angle and D-Log M color profile. The razor-sharp 1080p/100fps live transmissions provide a real FPV feeling with cinema flair.

Smart battery features with quick release
With the innovative quick-release battery system and USB-C charging adapter, you'll be ready to go again in seconds. Choice of 550mAh or 900mAh battery for up to 10 minutes of flight time.

GPS & global satellite navigation integrated
Stable GPS positioning (incl. Galileo, Glonass, QZSS & SBAS) ensures a safe return, precise position hold and enhanced flying comfort - even in difficult conditions.

Sophisticated design with practical details
Integrated antennas, motor symbols, easily accessible connections and a mini mount for action cams (e.g. Insta360, Naked GoPro) make the setup particularly beginner-friendly.

Specifications

Product name: iFlight Defender 25 O4 4S HD
Flight electronics: BLITZ D25 F7 AIO
Video transmission: DJI O4 Air Unit Pro
Frame size (wheelbase): 112 ±2 mm
Motors: Defender25 1404
Propellers: 2525 props (2.5 inch)
Dimensions: 158 x 155 x 69 mm
Flight weight (with 550mAh battery): ≤ 249 g
Flying weight (with 900mAh battery): ≤ 280 g
Max. Speed: up to 100 km/h (manual)
Max. Flight altitude: 3500 m
Flight time: approx. 6 min (550mAh) / approx. 10 min (900mAh)
Flight distances: up to 2-3 km
Wind resistance: up to wind force 4
Operating temperature: -10 °C to 40 °C
GNSS: GPS + SBAS + Galileo + QZSS + Glonass
Antennas: Dual antennas
Mounting options: Mini camera mount for Insta360, GoPro etc.

Specifications DJI O4 Air Unit Pro

Sensor: 1/1.3-inch image sensor
FOV: 155° ultra-wide angle
ISO range: 100-25,600
Resolution: 1080p @ 100 fps (H.265)
Max. Bitrate: 130 Mbps
Video formats: MP4
Colour modes: Normal / D-Log M
Stabilization: RockSteady 3.0+ (can be switched off)
Live View: 1080p @ 100 fps
Frequency ranges: 5.170-5.250 GHz & 5.725-5.850 GHz
Transmission power: FCC: <33 dBm / CE: <14 dBm
Range (with DJI Goggles 3/N3): up to 15 km (FCC), 8 km (CE/SRRC)
Communication bandwidth: max. 60 MHz
Memory: 4 GB internal + microSD (up to 512 GB)
Dimensions: 33.5 x 33.5 x 13 mm
Weight: approx. 32 g (incl. camera)