All batteries must be shipped by a ground shipping method.
*The Defender 25 4S HD BNF comes with GPS installed by default.
Meet iFlight's Defender 25, your ultimate FPV adventure companion! Weighing just 249g, it doesn't need registration in most countries. Its compact and lightweight design makes it super easy to carry and store, perfect for your travels. With built-in 2.5-inch propeller guards, you can fly boldly anywhere, anytime, experiencing a whole new creative freedom. The durable injection molded frame protects your motors and propellers and is gentle on the environment.
Equipped with DJI's latest O3 Air Unit HD transmission system, the Defender 25 supports 4K video and captures 155° super-wide FOV footage for amazing visuals. The D-Cinelike color mode gives you more freedom for color grading. A special vibration-damped camera mount keeps your footage smooth and ensures great Gyro Data for camera stabilization.
Features
- • Optimized Landing Gear for Take-Off in Complex Environments
- • Built-in High-Performance video and Receiver Antennas
- • 4K Stabilized Video with 155° Ultra-Wide Angle
Specifications
Defender 25
- Product Name: Defender 25 4S HD
- Flight Electronics: BLITZ D25 F7 AIO
- Video Transmission: DJI O3 Air Unit
- Frame: 112±2mm
- Motor: Defender25 1404
- Prop: Defender25 2525 props (2.5-inch)
- Weight of the Aircraft: 180g
- Takeoff Weight incl. 550mAh battery: ¡Ü249g
- Dimensions (L×W×H)£º158x155x69mm
- Max Ascent Speed: 6 m/s (Normal Mode, Sport Mode)
- Max Descent Speed: 6 m/s (Normal Mode, Sport Mode)
- Max Speed: 100Km/H (Manual Mode)
- Maximum Takeoff Altitude: 200 m
- Max Hover Time: Approx. 6 mins (with 550mAh battery), 10mins (with 900mAh battery)
- Max Flight Distance: 2-3 km
- Max Wind Speed Resistance: 80 Km/H (Level 5)
- Operating Temperature Range: -10° to 40° C (14° to 104° F)
- Transmission Power (EIRP): FCC: < 33 dBm / CE: < 14 dBm / SRRC: < 30 dBm
- Antennas: Dual Antennas
- GNSS: GPS+SBAS+Galileo+QZSS+Glonass
Video Transmission
- Product Name: DJI O3 Air Unit
- Weight: Approx. 36.4grams
- Dimensions (L×W×H): L16.7×W103.9×H 81.3mm
- Screen Size (single screen): 0.49-inch
- Resolution (single screen): 1920×1080
- Refresh Rate: Up to 100 Hz
- Interpupillary Distance Range: 56-72 mm
- Diopter Adjustment Range: -8.0 D to +2.0 D
- FOV (single screen): 51°
- Communication Frequency: 2.400-2.4835 GHz£»5.725-5.850 GHz
- Transmission Power (EIRP):
- 2.4 GHz: < 30 dBm (FCC), < 20 dBm (CE/SRRC/KC)
- 5.8 GHz [4]: < 30 dBm (FCC), < 23 dBm (SRRC), < 14 dBm (CE/KC)
- Max Video Transmission Bitrate: 50 Mbps
- Operating Temperature Range: 0° to 40° C (32° to 104° F)
- Power Input: 7-9 V (1.5 A)
Recommended (Not Included)
- iFlight Defender 25 Battery - 900mAh
Includes
- 1x iFlight BNF Defender 25 HD 4S 2.5' Cinewhoop w/ DJI O3 Air Unit and DJI Camera (Pre-Built, Tuned, and Tested)
- 1x Defender 25 550mAh Battery
- 1x Charging Adapter Board
- 2x Defender 25 2525 Props (pairs)






The iFlight BNF Defender 25 HD 4S 2.5 Cinewhoop is perfect for FPV enthusiasts on the go. Weighing 249g and with dimensions of 158x155x69mm, it's easy to carry and store. Ideal for those who want to explore FPV adventures during travel. Comes with a 550mAh battery, charging adapter board, and more. GPS enabled. Enjoy 4K stabilized video with a 155° ultra-wide angle.