QYSEA FiFish W6 Navi

Heavy-Duty ROV for Offshore & Deepwater Operations

The FIFISH W6 Navi is an industrial-class underwater ROV engineered for offshore energy, large-scale infrastructure, and deepwater missions. With a 350-meter depth rating, dual 6-thruster propulsion, advanced navigation systems, and a multi-interface expansion port, the W6 Navi delivers precision, stability, and reliability in the harshest marine environments. It is purpose-built for professional teams engaged in subsea inspection, repair, and maintenance across oil & gas, shipping, aquaculture, and research industries.

4K UHD camera
Advanced imaging suite
Equipped with Sonar, DVL, and INS for precise positioning
Multi-port system for multiple payload tools simultaneously
Size & Weight Heavy-duty ROV ~20 kg class
Durability Depth rated to 350 m corrosion-resistant alloy body
Endurance Hot-swappable battery with long mission support
Key Features

Professional Imaging & Survey

4K UHD video and high-resolution stills

Wide-angle lens with image stabilization

Supports dual camera configurations for inspection & mapping

High-power LED arrays for turbid waters

Adjustable brightness and beam angle

Optimized for deepwater low-light environments

Navigation & Positioning

Integrated DVL (Doppler Velocity Log) and INS (Inertial Navigation System)

Precise station-keeping and altitude lock functions

Collision avoidance and auto-path navigation

Payload & Tool Integration

Multi-interface expansion port for simultaneous tools

Supports manipulators, cutters, sonar modules, thickness gauges, and more

Adaptable to a wide range of industrial subsea missions

Heavy-Duty Durability

Depth rating up to 350 m with rugged housing

Dual 6-thruster design for stability and power in currents

Designed for offshore, deepwater, and long-duration projects

In-The-Box
  • FiFish W6 Navi
  • Robotic Arm Module
  • Remote Controller
  • ROV & RC Chargers
  • Rugged Industrial Case
  • 305m Tether Reel with Hard Case
  • 5 Q-If for Payload Integration
  • Communication Tether (3m)
Specs Sheet
ROV
CategorySpecification
Dimensions680 mm × 460 mm × 330 mm
Weight~20 kg
Depth Rating350 m
Speed~3 knots (1.5 m/s)
Thrusters6 (vector layout, full 360° maneuverability)
MaterialHard anodized aluminum alloy
Operating Temp–10 °C to 60 °C
EnduranceHot-swappable smart batteries for extended operation
NavigationIntegrated INS + DVL navigation suite
Dimensions
680 mm × 460 mm × 330 mm
Weight
~20 kg
Depth Rating
350 m
Speed
~3 knots (1.5 m/s)
Thrusters
6 (vector layout, full 360° maneuverability)
Material
Hard anodized aluminum alloy
Operating Temp
–10 °C to 60 °C
Endurance
Hot-swappable smart batteries for extended operation
Navigation
Integrated INS + DVL navigation suite
Camera & Imaging
CategorySpecification
Sensor1/1.8” CMOS
Resolution12 MP stills
Aperturef/2.5
Field of View166° wide
Focus Range0.1 m – ∞
Photo Resolution4000 × 3000
Photo FormatJPEG, DNG
Video Resolution4K UHD 25/30 fps; 1080p up to 120 fps
Video EncodeH.264
Video FormatMP4
StabilizationEIS (Electronic Image Stabilization)
Storage128 GB MicroSD (expandable to 512 GB)
Sensor
1/1.8” CMOS
Resolution
12 MP stills
Aperture
f/2.5
Field of View
166° wide
Focus Range
0.1 m – ∞
Photo Resolution
4000 × 3000
Photo Format
JPEG, DNG
Video Resolution
4K UHD 25/30 fps; 1080p up to 120 fps
Video Encode
H.264
Video Format
MP4
Stabilization
EIS (Electronic Image Stabilization)
Storage
128 GB MicroSD (expandable to 512 GB)
Sensors
CategorySpecification
DVLStation-keeping & velocity measurement
INSInertial navigation system for precise positioning
Gyroscope±0.1°
Accelerometer±0.1°
Magnetometer±1°
Depth Sensor±0.1 m accuracy
Laser ScalerDual spot laser, 10 cm spacing
Altimeter / Echosounder0.3–50 m range
DVL
Station-keeping & velocity measurement
INS
Inertial navigation system for precise positioning
Gyroscope
±0.1°
Accelerometer
±0.1°
Magnetometer
±1°
Depth Sensor
±0.1 m accuracy
Laser Scaler
Dual spot laser, 10 cm spacing
Altimeter / Echosounder
0.3–50 m range
Lighting
CategorySpecification
BrightnessDual LED arrays, up to 12,000 lumens
CCT5500 K
Beam Angle160°
LevelsAdjustable multi-step brightness
Brightness
Dual LED arrays, up to 12,000 lumens
CCT
5500 K
Beam Angle
160°
Levels
Adjustable multi-step brightness
Controller & Connectivity
CategorySpecification
Wireless Network5 GHz Wi-Fi via surface unit
Output InterfaceHDMI for external displays
Control MethodFIFISH app, joystick controller, VR goggles support
Wireless Network
5 GHz Wi-Fi via surface unit
Output Interface
HDMI for external displays
Control Method
FIFISH app, joystick controller, VR goggles support
Power & Charging
CategorySpecification
Battery CapacityHigh-capacity, hot-swappable smart battery pack
Charging Time~1 h quick charge to 90%
ROV ChargerInput 100–240 V, Output 18 V–10 A
Controller ChargerInput 100–240 V, Output 5 V–3 A
Battery Capacity
High-capacity, hot-swappable smart battery pack
Charging Time
~1 h quick charge to 90%
ROV Charger
Input 100–240 V, Output 18 V–10 A
Controller Charger
Input 100–240 V, Output 5 V–3 A
Ports & Expandability
CategorySpecification
Port SystemMulti-interface expansion bay
Supported Add-onsManipulators, cutters, sonar, thickness gauges, water quality sensors
Voltage Range11–24 V
Secure PlugWaterproof, self-diagnostic with leakage prevention
Port System
Multi-interface expansion bay
Supported Add-ons
Manipulators, cutters, sonar, thickness gauges, water quality sensors
Voltage Range
11–24 V
Secure Plug
Waterproof, self-diagnostic with leakage prevention
Tether & Spool
CategorySpecification
Cable Length350 m (standard)
Tensile Strength150 kgf
Diameter~5 mm
Waterproof RatingIP65
Cable Length
350 m (standard)
Tensile Strength
150 kgf
Diameter
~5 mm
Waterproof Rating
IP65

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