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QYSEA FIFISH Pro W6 | W6 NAVI

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The QYSEA FIFISH W6 Series is an industrial-grade underwater ROV platform engineered for advanced inspections, offshore operations, aquaculture work, search & recovery, and complex underwater tasks. Both variants come equipped with a 350-meter diving depth rating, a patented 6-Q-Motor system, high-capacity lithium power options, modular components, and QYSEA’s rugged 6-thruster architecture that delivers stronger power, better stability, and superior fight-current performance.

We now offer the W6 platform in two professional configurations:

1) FIFISH Pro W6 — Core Industrial Package

The standard Pro W6 is a highly capable work-class ROV featuring a fully modular design, 5× Q-IF Interface Ports for quick multi-tool integration, enhanced mobility, and access to a wide range of QYSEA accessories. It is ideal for underwater inspections, maintenance, research, and operational tasks that demand precision, reliability, and customization.

2) FIFISH W6 NAVI — Advanced Navigation & Survey Package

The W6 NAVI includes everything in the Pro W6, plus the integrated Q-DVL (Doppler Velocity Log) for high-accuracy navigation and positioning. With Q-DVL, the W6 NAVI unlocks advanced capabilities such as:

      • Underwater Inertial Navigation
      • Station-Lock Hovering Mode
      • Downward Collision Avoidance
      • Enhanced Underwater Positioning & Stability
This makes the W6 NAVI especially suited for surveying, offshore structural inspections, precise mapping, confined-space operations, and missions requiring ultra-stable positioning.
 

We offer Unmatched Discounted Pricing for both the FIFISH Pro W6 and W6 NAVI (contact us to receive current discounts). Please fill out the Inquiry Form to request quotations, package options, or custom accessory configurations.

Both models support high modularity, optional removable lithium battery systems, and are compatible with the full range of QYSEA multi-tool extensions to meet the requirements of commercial divers, contractors, and research professionals. Watch an introduction video below

FIFISH Pro W6 Package

FiFish Pro W6 Package

FiFish Pro W6 Package

FiFish Pro W6 Industrial Case
FiFish Pro W6 ROV
FiFish Pro W6 ROV
QYSEA FiFish Pro W6 305m Tether Case
305M Tether & Spool
Remote Controller
Remote Controller
FiFish Pro W6 Chargers x3 CommunicationTether
W6 Chargers (x3) Comm. Tether
FiFish Pro W6 Robotic Arm
305 Meter Depth-Rated Three Finger Robotic Arm

FIFISH W6 NAVI Package

FiFish Pro W6 Package

FiFish W6 NAVI Package

FiFish Pro W6 Industrial Case
W6 NAVI
FiFish W6 NAVI ROV
QYSEA FiFish Pro W6 305m Tether Case
305M Tether & Spool
Remote Controller
Remote Controller
FiFish Pro W6 Chargers x3 CommunicationTether
W6 Chargers (x3) Comm. Tether
FiFish Pro W6 Robotic Arm
305 Meter Depth-Rated Three Finger Robotic Arm

Technical Specifications of FiFish Pro W6 ROV

FiFish Pro W6 ROV

FiFish Pro W6 ROV

  • Dimensions

    700mm x 469mm x 297mm

  • Weight

    20 Kg

  • Thrusters

    6 Thrusters (Q-Motor Technology)

  • Maneuverability

    6 Degrees of Freedom. Movement: left & right, up & down, forward & backward. Rotation: 360° pitches, 360° rolls, 360° yaws.

  • Posture Lock™

    Lock the + 0.1° pitch or roll angle, in any direction

  • Hovering

    Keep the drone suspending in ± 1 cm

  • Speed

    Maximum 4.0 knots (2 m/s)

  • Depth Rating

    350 Meter

  • Temperature Range

    -10°C~40°C

  • Battery

    Dive Time: 6 Hours (Depending on usage scenario). Rated Capacity: 388.8Wh. Charge Voltage: 25.2V, 1.5 Hour Quick Charge. L-ion Panasonic 19650

  • Sensor

    Accelerometer, Gyroscope, Electronic Compass, Temperature Transducer, Depth Transducer

W6 Dual Camera

Camera

  • Sensor

    1/2.3" SONY CMOS

  • Pixels

    12MP

  • ISO Range

    100-6400 In Auto / Manual

  • Lens

    Field of View: 166°. Aperture: f/2.5. Minimum Focusing Distance: 0.4 m

  • Shutter Speed

    5-1/5000 Second

  • Burst Shooting

    3/5/10/15 Frames

  • White Balance

    2500K-8000K

  • Photo Resolution

    4:3: 4000 x 3000

  • Photo Format

    JPEG, RAW (DNG)

  • Video Resolution

    4K UHD: 25/30 fps; 1080P FHD: 25/30/50/60/100/120 fps; 720P HD: 25/30/50/60/100/120/200/240 fps

  • Video Format & Storage

    MPEG4-AVC/H.264, HEVC/H.265; Storage: 128GB*2 standard, support up to 512GB

W6 LED Lights

LED Lights

  • Brightness

    12000 Lumen LED

  • CCT

    5500K (Correlated Color Temperature)

  • Beam Angle

    120°

  • Levels

    3 Brightness Levels

Controller

  • Wireless

    5GHz WiFi,11a,n,ac

  • Battery Life

    Up to 4 hours

  • SD Card Support

    Micro-SD Card FAT32 & EXFAT Format (to 128GB)

  • HDMI Output

    QYSEA HDMI Output Box

Chargers & Sonar System

  • ROV Charger

    Input: 100-240V, 50/60 Hz, 3.0A MAX; Output: 25.2V = 6A

  • Remote Charger

    Input: 100-240 V, 50/60 Hz, 0.5 A MAX; Output: 5 V-3A

  • Sonar Range

    0.4 - 7.0m

  • Sonar Precision

    +/-5ecm

QYSEA FiFish Pro W6 305m Tether Case-1

Tether & Laser

  • Tether Length & Diameter

    305m standard with 6.0mm diameter

  • Tether Breaking Force

    150kgf

  • Laser Tube Type

    Spot Laser

  • Laser Wavelength & Scale Length

    650nm (Red) and 10cm respectively

Component Breakdown

QYSEA FiFish Pro W6 Component Breakdown
FiFish Pro W6 Controller Component Breakdown

The design of the QYSEA FiFish PRO W6 body has been enhanced by hydrodynamic design to handle complex conditions. The two 4K UHD cameras, with an option to attach an additional Q-camera, make FiFish Pro W6 a special ROV. The straight camera focuses on the front view and the tilt-down camera focus on the claw area of the robotic arm. The intelligent controlling algorithm provides precise control, effective functioning, and desired results.

The key features that makes FIFISH Pro W6 the best bet are-

  • ROV 350M depth rating
  • 4 Knots speed
  • Innovative Dual 4K Camera System for Dual Camera Work Coordination
  • 12,000 lumens LED Underwater Light
  • Laser Scaler
  • Full sealing, corrosion resistant Q-Motor
  • 5x Q-IF Interface Ports for Multi-Tool Integrations
  • Remote Controller
  • Rugged Industrial Case*2
  • 305M Robotic ARM
  • 305M Tether [with spool]
  • 388Wh battery and chargers (Removable – Quickly Exchange and Use)
  • Identify Structures & Landscapes with Sonar Imaging
  • Station Lock System
  • U-QPS Underwater Quick Positioning System
  • Sonar Array System
  • Onshore Power Supply – Unlimited Working Time
  • High Precision Ruler Combination of AR Scaler, Laser Ruler, and Compass Ruler

Tackle wide-range of scenarios with

Multi-Tool Extensions

You can integrate a wide range of Multi-Tool extensions to the interface of FIFISH PRO W6 to perform specific industrial tasks and tackle various scenarios.

FiFish W6 Q-Camera

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The Q-camera has depth ratings of 350m. 2*1000 lumen LEDs, removable 128GB SD card, 166° FOV, real-time video feed, and multi-angle installation with onshore control.

QYSEA FiFish Pro W6 with 2D Image Sonar

2D Image Sonar

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2D Real-time micro multibeam Imaging Sonar (M750d Dual-Frequency; range 0.1m to 120m, 512 beams). Identify, inspect, and locate targets in turbid and cloudy waters.

HDMI-Box-2.0

HDMI BOX 2.0

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HDMI Real-time projection screen display. Live streaming capabilities for the operations, with real-time display and storage of images and footage into external storage devices.

Controller Sun Hood

Controller Sun Hood

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2 IN 1 ADJUSTABLE IPAD HOLDER WITH SUNHOOD. Clamping range: 109mm~170mm; iPAD size: up to 10′; Adjustable & Folding.

QYSEA FiFish Pro W6 with Compass Ruler

Compass Ruler

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Depth rating: 350m. Physically measure the size of different underwater objects as you explore the oceans.

UQPS–Underwater Quick Positioning System

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Provides the real-time underwater drone location, 3D diving path recording, trajectory, and more. Fixed-point automatic cruise. Available in 100m & 300m radius rating.

DVL (Station Lock)

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Accurate position hold ; 300m depth rating;  Accurate micro movements like “move 1 inch to the right"; Find home even while being out of reach of acoustic positioning systems like Underwater GPS.

Robotic Arm - 350m

Robotic Arm - 350m

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2-finger claw robotic arm kit with 350m depth rating & 100N clamping force. Grab and salvage objects and items underwater with ease, efficiency, and strength.

Retrieval Hook

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3-Finger Rugged hook with a powerful clamp and lock function that withstands the weight and pulls of underwater objects of up to 200KG.

Mort Remover

Mort Remover

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Depth rating: 350m. Specially designed for aquaculture operations for removing and transporting deceased/sick fish etc. Also known as Robotic Fish Clamp.

Water Sampler (500ml)

Water Sampler (500ml)

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With 500ml collection capacity and 350m sampling depth, collect various types of water in different underwater environments for your specific needs.

Mud Sampler

Mud Sampler

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Depth rating: 350m and Capacity: 500cc. Retrieve and sample a wide range of underwater sediments on the seabed with this Mud Sampler.

4-in-1 Water Quality Sensor

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This 4-in-1 sensor consists of (1) Dissolved Oxygen Sensor, (2) Salinity Sensor, (3) Turbidity Sensor, and (4) pH Sensor.

Removable Battery

Removable Battery

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Quickly replace the battery, plug and use, standard 388wh removable battery, replace at any time, durable. Depth rating: 350m.

Electrical Spool - 300m

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FiFish Electrical Spool had adjustable reel-in speeds, manual winding option, anti-tangling wire design, and more features. Cable length:300m and Winding Speed: 3 gears

Waterproof Laptop Computer

Waterproof Laptop Computer

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Sunlight readable LCD monitor with an IP53 waterproof rating and quad-screen operational display.  It is a rugged control system with window 10 installed.

OPSS (Onshore Power Supply System)

OPSS (Onshore Power Supply System)

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Use FIFISH Pro W6 version of OPSS (Onshore Power Supply System) for all-weather day-long operations. Tether Length: 305 m.

Return & After-Sales Policy

All QYSEA FIFISH Pro W6 systems supplied by Nautrex / MyROVs are covered under QYSEA’s official global after-sales regulations. Each unit undergoes mandatory inspection upon arrival. In the event of a manufacturing defect (DOA), customers are eligible for free replacement or repair within 15 days of delivery, including covered shipping costs. Customers may also request a no-reason return within 7 days of receipt, with return freight responsibilities borne by the buyer following inspection confirmation. Repairs falling outside warranty coverage (wear, misuse, accidental damage, or non-warranty components) are serviceable at standard repair rates. For any support requests, customers should contact MyROVs/Nautrex directly to initiate the official RMA process with QYSEA’s authorized service center network.

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