QYSEA FiFish V6 Expert

Professional ROV for Industrial Underwater Missions

The FIFISH V6 Expert is a robust underwater remotely operated vehicle (ROV) engineered for demanding industrial and research applications. With a depth rating of 200 meters, hot-swappable batteries, and advanced sensor integration, it is purpose-built for extended inspections, maintenance, and exploration in marine, aquaculture, energy, and infrastructure sectors. Its versatile payload support, strong maneuverability, and adaptable tool interfaces make it a reliable solution for mission-critical underwater operations.

FiFish V6 Expert

Professional-grade 4K UHD camera system

full 360° maneuverability

Enhanced navigation stability

sensor suite for precision operations

Hot-swappable battery

Size & Weight Compact industrial build approx. 5 kg class

Durability Depth rated to 200 m built with corrosion-resistant materials

Endurance Extended dive times with quick-charge hot-swappable batteries

Key Features

Professional Imaging

4K UHD video capture with adaptive imaging controls

Wide-angle lens with real-time stabilization

Supports RAW photo capture for post-production workflows

Mission-Ready Design

Hot-swappable smart batteries for extended operations

Interchangeable payloads for inspection, cleaning, and sampling

Robust port system for add-ons and third-party tools

Precision Navigation

Six degrees of freedom with full 360° rotation

Integrated sensor suite including DVL, IMU, and depth control

High positional accuracy for confined and open-water operations

Illumination & Visibility

Dual 6000-lumen LEDs for clear imaging in turbid waters

Adjustable brightness and beam angle settings

Designed for low-light and complex underwater environments

Industrial Durability

Depth rating up to 200 m with rugged aluminum alloy housing

Resistant to corrosion, pressure, and harsh marine conditions

Compact form factor optimized for field transport and deployment

In-The-Box

FiFish V6 Expert
100m Tether Reel & Spool
Remote Controller
EPP Box Case
MicroSD Card (128GB)
Spare Propellers
FiFish Towel
ROV & RC Chargers

Specs Sheet

ROV

Category	Specification
Dimensions	383 mm × 331 mm × 143 mm
Weight	~4.6 kg
Depth Rating	200 m
Speed	~3 knots (1.5 m/s)
Maneuverability	6 degrees of freedom, full 360° movement
Material	Aluminum alloy, corrosion-resistant build
Operating Temp	–10 °C to 60 °C
Endurance	Hot-swappable smart batteries, extended dive time
Navigation	Integrated Inertial Navigation System (INS)

Dimensions

383 mm × 331 mm × 143 mm

Weight

~4.6 kg

Depth Rating

200 m

Speed

~3 knots (1.5 m/s)

Maneuverability

6 degrees of freedom, full 360° movement

Material

Aluminum alloy, corrosion-resistant build

Operating Temp

–10 °C to 60 °C

Endurance

Hot-swappable smart batteries, extended dive time

Navigation

Integrated Inertial Navigation System (INS)

Camera & Imaging

Category	Specification
Sensor	1/2.3” CMOS
Resolution	12 MP stills
Aperture	f/2.5
Field of View	166° ultra-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	MicroSD 128 GB (expandable)

Sensor

1/2.3” CMOS

Resolution

12 MP stills

Aperture

f/2.5

Field of View

166° ultra-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

MicroSD 128 GB (expandable)

Sensors

Category	Specification
Gyroscope	±0.1°
Accelerometer	±0.1°
Magnetometer	±1°
Depth Sensor	±0.1 m accuracy
Laser Scaler	Dual point, 10 cm spacing
Additional Sensors	Compass, IMU, temperature sensor

Gyroscope

±0.1°

Accelerometer

±0.1°

Magnetometer

±1°

Depth Sensor

±0.1 m accuracy

Laser Scaler

Dual point, 10 cm spacing

Additional Sensors

Compass, IMU, temperature sensor

Lighting

Category	Specification
Brightness	Dual LEDs, 6000 lumens combined
CCT	5500 K
Beam Angle	160°
Levels	3-step adjustable

Brightness

Dual LEDs, 6000 lumens combined

CCT

5500 K

Beam Angle

160°

Levels

3-step adjustable

Controller & Connectivity

Category	Specification
Wireless Network	5 GHz Wi-Fi
Usage Time	Up to 4 h
Output Interface	HDMI via surface controller
Control Method	App-based with VR goggles option

Wireless Network

5 GHz Wi-Fi

Usage Time

Up to 4 h

Output Interface

HDMI via surface controller

Control Method

App-based with VR goggles option

Power & Charging

Category	Specification
Battery Capacity	156 Wh, hot-swappable
Charging Time	90% charge in ~1 h
ROV Charger	Input 100–240 V, Output 18 V–10 A
Controller Charger	Input 100–240 V, Output 5 V–3 A

Battery Capacity

156 Wh, hot-swappable

Charging Time

90% charge in ~1 h

ROV Charger

Input 100–240 V, Output 18 V–10 A

Controller Charger

Input 100–240 V, Output 5 V–3 A

Ports & Expandability

Category	Specification
Port Type	Multi-interface expansion port
Supported Add-ons	Robotic arm, gripper, sonar, measuring tools
Voltage Range	11–24 V
Security	Waterproof and leakage-protected design

Port Type

Multi-interface expansion port

Supported Add-ons

Robotic arm, gripper, sonar, measuring tools

Voltage Range

11–24 V

Security

Waterproof and leakage-protected design

Tether & Spool

Category	Specification
Cable Length	200 m (standard)
Tensile Strength	120 kgf
Diameter	~4.6 mm
Waterproof Rating	IP65

Cable Length

200 m (standard)

Tensile Strength

120 kgf

Diameter

~4.6 mm

Waterproof Rating

IP65