
QYSEA FIFISH V6 EXPERT is a professional-class underwater ROV designed to elevate underwater missions with advanced 4K UHD imaging, 6,000 lumen lighting, 5 kg payload capacity, Q-IF multi-tool extension interface, and optional onshore power supply for continuous operations. Weighing 4.6 kg (383×331×143 mm), with 100 m depth rating, 3-knot speed, 166° ultra-wide FOV, 360° omnidirectional movement, 156 Wh fast-charge battery, and a comprehensive ecosystem of inspection, measurement, navigation, manipulator, and sampling tools — the V6 EXPERT is the versatile productivity tool for structural inspections, aquaculture, search & rescue, and ocean science.
4K UHD Camera System with 6,000 Lumen Lighting
- 4K UHD at 25/30 fps – Low-noise professional filming
- 1080p up to 120 fps / 720p up to 240 fps – Slow-motion capture for detailed analysis
- 1/2.3″ SONY CMOS Sensor, 12MP – JPEG + RAW (DNG) format support
- 166° Ultra Wide-Angle FOV – 96° underwater for comprehensive scene capture
- 2 × 3,000 Lumen LEDs (6,000 total) – 5500K, 120° beam for vibrant deep-water imagery
- 128 GB External MicroSD (up to 256 GB) – Plug-and-play SD card slot for fast data export
Q-IF Multi-Tool Extension Interface
The V6 EXPERT features a professional Q-IF port (stainless steel 316, 9–12V) for seamless integration of industry-specific tools across five categories:
Inspection Tools
- Q-Camera – Additional underwater perspectives with multi-angle mounting
- 2D Image Sonar – Target identification in turbid or low-visibility waters
- Sports Camera Mounts – Top and bottom action camera brackets
- External Lighting Mount – Additional illumination for dark environments
Measurement Tools
- Compass Ruler, Laser Scaler, Distance Meter, Altimeter – Precise underwater object measurement and seabed height monitoring
Navigation Tools
- U-QPS – Real-time ROV positioning, POI recording, and mission planning
- DVL Station Lock – Accurate positioning in challenging currents
- USBL – Ultra-short baseline high-accuracy position tracking
Manipulator Tools
- Robotic Arm, Retrieval Hook (100 kg), Net Patch Kit, Underwater Dozer, Fishing Net
Sampling Tools
- Water Sampler, Dissolved Oxygen, Salinity, Turbidity, pH Sensors, Mud Sampler
360° Omnidirectional Movement
- 6 Thrusters (Q-Motor Technology) – Full 6-DOF movement with 360° yaw, pitch, and roll
- Posture Lock: ±0.1° | Depth Holding: ±1 cm
- Q-STEADY 2.0 Stabilization System – Ultra-smooth footage in challenging conditions
Power & Charging

- 156 Wh Li-ion Panasonic 21700 Battery – 1–4 hours runtime
- Q-CHARGE: 90% Power in 1 Hour – Rapid turnaround between missions
- Onshore Power Supply System (OPSS, Optional) – Continuous operation with simultaneous charging
Tether & Controller
- 100m / 200m Cable Options – 4.6 mm diameter, 100 kgf breaking force, neutral buoyancy
- 5 GHz WiFi Controller – Up to 4 hours usage, HDMI output compatible
Application Scenarios

- Structural Inspections – Hull, pipeline, dam, and bridge assessment
- Aquaculture & Mariculture – Net repair, fish monitoring, water quality sampling
- Search & Rescue – Target location with sonar and measurement tools
- Ocean Science & Research – Sampling, environmental monitoring, and documentation











