QYSEA FiFish E-Master

Underwater ROV for Professional Inspection & Maintenance

The FIFISH E-MASTER is a professional-class underwater remotely operated vehicle (ROV) engineered for industrial-grade inspection, repair, and maintenance tasks. Designed for use in sectors such as maritime shipping, offshore energy, underwater construction, and tank or pipeline operations, it delivers reliable performance in demanding aquatic environments.

With robust maneuverability, powerful imaging, and adaptable tool integration, the E-MASTER supports mission-critical underwater operations with precision and safety.

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Dynamic & Steady Hovering
Underwater Automatic Navigation
Real-time & Offline Smart Measurement
2D & 3D Seafloor Mapping
Key Features

High-Precision Visuals

Integrated 4K UHD camera with wide-angle lens

Real-time video streaming for operators topside

Adjustable imaging settings for different water conditions

Illumination & Visibility

High-output LED lighting for turbid or dark waters

Adjustable brightness to reduce glare and backscatter

Enables clear inspections in confined or low-light spaces

Mission-Ready Tooling

Interchangeable end-effectors for inspection, cleaning, and repair tasks

Capable of tank wall scaling, cutting, and sampling applications

Modular design supports task-specific add-ons

Navigation & Control

Six degrees of freedom for agile underwater movement

Advanced stabilization system for precise positioning

Intuitive control interface for operators of varying skill levels

Industrial Durability

Built to withstand harsh marine and offshore environments

Long tether options for extended operational range

Rugged frame engineered for reliability under heavy use

In-The-Box
  • QYSEA Fifish E-Master
Specs Sheet
ROV
CategorySpecification
Dimensions430mm(l) x 345mm(w) x 185mm(h)
Weight6.7kg
Depth Rating200m
Payload5kg
Speed>3 Knots (>1.5 m/s)
Movement / Propellers6 DOF, 360° yaw/pitch/roll, all-direction movement
MaterialHard Anodized Aluminum Alloy
Operating Temp-10°C to 60°C
Power69.12Wh x2, Hot-swappable, Smart Battery, Quick Charge (90% in 1h)
NavigationUnderwater Inertial Navigation System (U-INS)
Dimensions
430mm(l) x 345mm(w) x 185mm(h)
Weight
6.7kg
Depth Rating
200m
Payload
5kg
Speed
>3 Knots (>1.5 m/s)
Movement / Propellers
6 DOF, 360° yaw/pitch/roll, all-direction movement
Material
Hard Anodized Aluminum Alloy
Operating Temp
-10°C to 60°C
Power
69.12Wh x2, Hot-swappable, Smart Battery, Quick Charge (90% in 1h)
Navigation
Underwater Inertial Navigation System (U-INS)

Sensors
CategorySpecification
Downward DVL0.15m–60m range, station lock & collision avoidance
Forward DVL0.15m–10m detection
Gyroscope±0.1°
Accelerometer±0.1°
Magnetometer±1°
Depth SensorSuspension within ±1 cm
Altimeter / Echosounder0.3m–50m, Bathymetric survey & altitude lock
Temp. Sensor±1°
Laser ScalerDual Spot Laser, 10cm apart, Smart measurement
Downward DVL
0.15m–60m range, station lock & collision avoidance
Forward DVL
0.15m–10m detection
Gyroscope
±0.1°
Accelerometer
±0.1°
Magnetometer
±1°
Depth Sensor
Suspension within ±1 cm
Altimeter / Echosounder
0.3m–50m, Bathymetric survey & altitude lock
Temp. Sensor
±1°
Laser Scaler
Dual Spot Laser, 10cm apart, Smart measurement

Camera
CategorySpecification
Sensor1/1.8” CMOS
Pixels12MP
Aperturef/2.5
Field of View176° (above water), 146° (underwater)
Focus Range0.1m–∞
Shutter Speed5–1/5000s
Burst Shooting1/3/5/10 frames
ISO100–3200
White Balance2500K–7500K (auto/manual)
Exposure Compensation-3.0 EV to +3.0 EV
Photo Resolution4000×3000 (4:3), 3840×2160 (16:9)
Photo FormatJPEG, DNG
Video Resolution4K UHD 25/30fps;
1080p 25/30/50/60/75/90fps;
720p 25/30/50/60/75/90fps
Video EncodeH.264
Video FormatMP4
StabilizationEIS (Electronic Image Stabilization)
Color SystemNTSC & PAL
Internal StorageMicroSD 128GB (up to 512GB)
AI VisionVision Lock, Diver Tracking, Imaging Dehazing
Sensor
1/1.8” CMOS
Pixels
12MP
Aperture
f/2.5
Field of View
176° (above water), 146° (underwater)
Focus Range
0.1m–∞
Shutter Speed
5–1/5000s
Burst Shooting
1/3/5/10 frames
ISO
100–3200
White Balance
2500K–7500K (auto/manual)
Exposure Compensation
-3.0 EV to +3.0 EV
Photo Resolution
4000×3000 (4:3), 3840×2160 (16:9)
Photo Format
JPEG, DNG
Video Resolution
4K UHD 25/30fps;
1080p 25/30/50/60/75/90fps;
720p 25/30/50/60/75/90fps
Video Encode
H.264
Video Format
MP4
Stabilization
EIS (Electronic Image Stabilization)
Color System
NTSC & PAL
Internal Storage
MicroSD 128GB (up to 512GB)
AI Vision
Vision Lock, Diver Tracking, Imaging Dehazing

Lighting
CategorySpecification
Brightness5000 lumen LED x2
CCT5500K
Beam Angle160°
Brightness Levels3 levels
Brightness
5000 lumen LED x2
CCT
5500K
Beam Angle
160°
Brightness Levels
3 levels

Controller
CategorySpecification
Wireless Network5GHz WiFi (802.11 a/n/ac)
Usage TimeUp to 4h
File FormatMicroSD (128GB max, FAT32/EXFAT)
HDMI OutputHDMI box required
Wireless Network
5GHz WiFi (802.11 a/n/ac)
Usage Time
Up to 4h
File Format
MicroSD (128GB max, FAT32/EXFAT)
HDMI Output
HDMI box required

Charger
CategorySpecification
ROVInput: 100–240V,
Output: 18V–10A
ControllerInput: 100–240V,
Output: 5V–3A
ROV
Input: 100–240V,
Output: 18V–10A
Controller
Input: 100–240V,
Output: 5V–3A

Port Interface
CategorySpecification
Quantity2 ports (expandable to 6)
MaterialStainless steel 316
Interface11V–24V @ 5A ETHERNET, UART
Adjustable PowerAdaptive Voltage for add-ons
Secure PlugSelf-diagnostics & leakage prevention
Quantity
2 ports (expandable to 6)
Material
Stainless steel 316
Interface
11V–24V @ 5A ETHERNET, UART
Adjustable Power
Adaptive Voltage for add-ons
Secure Plug
Self-diagnostics & leakage prevention

Tether & Spool
CategorySpecification
Cable Length200m
Tensile Strength120kgf
Cable Diameter4.6mm
Weight (Underwater)Neutral Buoyancy
Waterproof RatingIP65
Cable Length
200m
Tensile Strength
120kgf
Cable Diameter
4.6mm
Weight (Underwater)
Neutral Buoyancy
Waterproof Rating
IP65

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