FPV Drone iFlight Defender 25 HD BNF DJI O3 Air Unit 4S (ELRS 868/915MHz)

Product detailed description

Defender 25 HD BNF DJI O3 Air Unit 4S (ELRS 868/915MHz)

Features:

- Ultralight & Free to Fly. The compact and lightweight design makes it easy to carry and store.
- The built-in 2.5inch propeller guards were designed to fly bold. The durable injection molded frame prevents motors and propellers from damage.
- Equipped with the O3 Air Unit HD system. The Defender25 supports 4K video and shoots up to 155°super-wide FOV footage for stunning visuals.
- Crash-protected quick-release battery. The Defender25 comes with a stock 4S 550mAh.
- Inbuilt high-performance video and receiver antennas.
- Optimized landing gear for take-off in a complex environment. 
- Secured XT30 battery plug with Anti-Spark filter.
- Motors with direction arrows.
- Props with positioning column for easy installation.
- All ports and buttons are easy to access.
- Mini camera mount (Naked GoPro, Insta360, etc.)
- BLITZ SPLIT GPS Pre-install.

Specifications:

Product Name: Defender25 O3 4S HD
Receiver Option: iFlight ELRS 868/915MHz
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
Maximum Takeoff Mass incl. 550mAh battery: ≤249g
Maximum Takeoff Mass incl. 900mAh battery: ≤280g
Dimensions (L×W×H)：158x155x69mm
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: 3000m (with 550mAh battery), 3500m (with 900mAh battery)
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. 36.4 grams（headband included）
Communication Bandwidth: Max 40 MHz
FOV (single screen): 155°
Communication Frequency: 2.400-2.4835 GHz；5.725-5.850 GHz
End-to-End Latency
With DJI FPV Goggles V2:
- 810p/120fps Video Transmission Quality: The latency is lower than 28 ms.
- 810p/60fps Video Transmission Quality: The latency is lower than 40 ms.
With DJI Goggles 2:
- 1080p/100fps Video Transmission Quality: The latency is as low as 30 ms.
- 1080p/60fps Video Transmission Quality: The latency is as low as 40 ms.
Max Video Transmission Bitrate: 50 Mbps
Max Video Transmission Range: 10 km (FCC), 2 km (CE), 6 km (SRRC)
Operating Temperature Range: -10º to 40º C (14° to 104° F)
Power Input: 7.4-26.4 V 
Audio Transmission: N/A

Recommended Charger
- Charger not included in combos, and sold separately. 
- To ensure charging speed, it is recommended to use Flight PD 100W Charger or PD 30W Charger, or other USB chargers that support USB PD and QC fast charging protocols.

Package Includes:
1 x Defender25 O3 HD BNF (ELRS 868/915MHz)
1 x Defender25 550mAh Battery
1 x Charging Adapter Board
2 x Defender 2525 Props (pairs)