
SplashDrone 4+: The Ultimate Waterproof Drone
- IP67 Waterproof & Anti-Corrosion
- 28-Minute Flight Time
- 2KG Payload Capacity
- 7-Level Wind Resistance
- Thermal & 30x Zoom Options
- 45 Second Setup
- 10 Switchable Payloads
- Powerflip™ Self-Righting
- Auto Calibrate
Versatile Payloads, Endless Possibilities

Megaphone
Enables broadcasting commands, issuing warnings, driving off threats, directing actions, and offering reassurance—all with a single device.

Water Collector
Remotely and precisely collect water samples from specific areas, avoiding unnecessary risk for researchers.

Dual Payload Release
With a maximum payload of 2kg and dual release mechanisms, this system ensures seamless resupply. Multiple drops boost efficiency and operational success.

Underwater Gimbal Extension
40cm extension pole for underwater visibility, enabling clearer observation and inspection in aquatic environments.

Sonar Depth Detection
40m depth scanning for underwater search & rescue, providing crucial data for rescue and inspection missions.

Thermal & Visible Light
Dual thermal camera (-20°C to +60°C range, 640×512 resolution) for night operations and heat detection.

Precision Targeting
30x hybrid zoom & 1200m laser ranging for high-accuracy targeting during search and rescue operations.
Unmatched Maritime Safety

Power & Endurance
Smart Flight & Control

New Controller: A Whole New Control Experience
Android Touchscreen
- 5.5-inch touch display
- Android System
- Wet-hand touch supported
- Integrated speaker & microphone
Seamless Communication for Any Mission
- Flight warning alerts
- Synchronise with Megaphone

Bluetooth 5.2
- Connect headphones
- Noise isolation for mission focus
- Flight warnings
- Coordinate with Megaphone for communication
700-Nit Brightness
- Clear visibility under direct sunlight
Full Specifications
Aircraft | |
---|---|
Waterproof Rating | IP67 |
Weight | 2430g (include battery & propellers) |
Axis Diameter | 450 mm |
Size | 372.2 × 372.2 × 230.6 mm |
Max Ascend Speed | 3 m/s |
Max Descend Speed | 2 m/s |
Max Flight Speed | 18 m/s (Sport), 10 m/s (Normal), 3 m/s (Cine) |
Max Tilt Angle | 30° |
Max Altitude from Takeoff Point | 120 m |
Max Wind Speed Resistance | 61.9 km/h | 17 m/s | 33.4 knots |
Max Flight Time | 28 mins (no wind & no load) |
Hovering Precision | ±0.5 m (vertical); ±0.5 m (horizontal) |
Max Flight Distance | 7.0 km |
Max Payload Capacity | 2000 g (including payload accessories) |
Max Take-off Weight | 4180 g |
Motors | #3510 - 740Kv (special coated) |
ESC | 20A |
Propellers | #1242 carbon fibre quick-release propellers |
Operating Frequency | 5180–5875 MHz; 5745–5825 MHz The 5180–5240 MHz range is only used in some regions where permitted. |
Transmitter Power (EIRP) | 5.1 GHz: <23 dBm (CE) 5.8 GHz: <33 dBm (FCC); <30 dBm (SRRC); <14 dBm (CE) |
Working Temperature | -10℃ ~ 60℃ |
Satellite Positioning Systems | GPS + Galileo + BeiDou |
UART (SDK) | TTL serial port to TCP, 115200 baud rate |
Remote Controller | |
Waterproof Rating | IP67 |
Operating Frequency | 5180–5875 MHz; 5745–5825 MHz 5180–5240 MHz only in permitted regions. |
Transmitter Power (EIRP) | 5.1 GHz: <23 dBm (CE) 5.8 GHz: <33 dBm (FCC); <30 dBm (SRRC); <14 dBm (CE) |
Real-time Video Transmission | 720P @ 30fps |
Battery | 2S 3000mAh |
Working Time | 150 mins |
Working Voltage | 7.4V |
HDMI Port | 1080P high-definition video output |
Type-C Port | Firmware upgrade / Flight log data / Charging |
Screen | 5.5 inch, 1920×1080 |
System | Android |
Working Temperature | -10℃ – 40℃ |
Remote Charging Time | 150 mins |
Power Input | 5V / 3A Type-C |
Intelligent Battery (IB4+) | |
Voltage | 25.2V |
Nominal Capacity | 4500mAh |
Type | Intelligent 6S |
Watt Hours | 99.9Wh |
Size | 154.8 × 80 × 49.5 mm |
Weight | 820g |
Working Temperature | -10°C – 60°C (discharge); 0°C – 45°C (charge) |
Storage Temperature | 0°C – 25°C |
Charging Time | 120 mins |
Max Charging Current | 8A |
Charger | |
Input | 220V, 50/60Hz |
Output | 25.2V 5.9A |
Rated Power | 150W |
App | |
Mobile App Name | SDFly3 |
Live View Quality | 720P @ 30fps |

Tethered Power Supply Kit
The new tethered power supply kit addresses high LED power consumption at night and during bad weather. It provides a continuous power supply, ensuring stable equipment operation in demanding scenarios.
Testimonials

Swellpro UK
Waterproof Drones
We work closely with universities, government bodies, the emergency services recreational drone pilots and more. With our drones being used across a wide range of different applications.
Always at the forefront of this rapidly evolving industry