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
Category Specification
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)
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
Category Specification
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
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
Category Specification
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
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
Category Specification
Brightness 5000 lumen LED x2
CCT 5500K
Beam Angle 160°
Brightness Levels 3 levels
Brightness
5000 lumen LED x2
CCT
5500K
Beam Angle
160°
Brightness Levels
3 levels
Controller
Category Specification
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
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
Category Specification
ROV Input: 100–240V,
Output: 18V–10A
Controller Input: 100–240V,
Output: 5V–3A
ROV
Input: 100–240V,
Output: 18V–10A
Controller
Input: 100–240V,
Output: 5V–3A
Port Interface
Category Specification
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
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
Category Specification
Cable Length 200m
Tensile Strength 120kgf
Cable Diameter 4.6mm
Weight (Underwater) Neutral Buoyancy
Waterproof Rating IP65
Cable Length
200m
Tensile Strength
120kgf
Cable Diameter
4.6mm
Weight (Underwater)
Neutral Buoyancy
Waterproof Rating
IP65

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