QYSEA FiFish V-EVO Underwater Drone










Inquiry Form
The QYSEA FIFISH V-EVO is a professional-grade AI underwater drone built for visual inspection, exploration, and light-duty survey missions in shallow-to-mid depth environments. Designed around a compact 6-thruster / 6-DOF propulsion system, the V-EVO delivers smooth omnidirectional movement, strong current resistance, and highly stable positioning for precise underwater operations.
Equipped with a powerful imaging system featuring a 4K UHD camera (up to 60fps), DNG RAW photo capture, electronic image stabilization, and wide underwater field of view, the V-EVO produces cinematic-quality footage and sharp inspection visuals. Dual 2500-lumen LED lights provide clear illumination in low-light conditions, while onboard AI functions such as Vision Lock and Diver Tracking enable automatic subject stabilization and intuitive follow modes.
With a 100-meter depth rating, optional robotic arm compatibility, and portable tether-based control system, the FIFISH V-EVO is ideal for marine inspection, aquaculture operations, underwater search tasks, recreational exploration, training missions, and content production workflows that demand mobility, reliability, and professional imaging performance in a compact platform.
















FIFISH V-EVO Standard Package

FIFISH V-EVO Standard Package

FiFish V-EVO Underwater Drone

ROV and RC Chargers

100M Tether & Spool

Remote Controller
FIFISH V-EVO Arm Packages

FIFISH V-EVO Arm Package

FiFish V-EVO Underwater Drone

ROV and RC Chargers

100M Tether & Spool

Remote Controller

Robotic Arm with Parallel Grippers
Technical Specifications of FiFish V-EVO ROV

V-EVO Underwater Drone
-
Dimensions
383mm(l) x 331mm(w) x 143mm(h)
-
Weight
3.9kg
-
Depth Rating
100M
-
Payload
2kg
-
Speed
3 Knots (1.5 m/s)
-
Thrusters
6 Thrusters (Q-Motor Technology)
-
Maneuverability
6 Degrees of Freedom. Movement: left & right, up & down, forward & backward, 360° yaw, 360° pitch, 360° roll
-
Temperature Range
-10 °C ~ 60 °C (Operational Temp. Range)
-
Battery
1-4h (Dependent on Work Environment). 97.2Wh Capacity
-
Posture Lock™
± 0.1° pitch angle or ± 0.1° roll angle, moving in any direction
-
Sensors
Gyroscope, Accelerometer, Magnetometer, Depth Sensor, Temp. Sensor

Camera
-
Sensor
1/2.3" SONY CMOS
-
Pixels & Aperture
12MP; f/2.5
-
Field of View & Shutter Speed
Above Water: 166° Underwater: 96° ; 5-1/5000 Second
-
Burst Shooting & ISO Range
1/3/5/10 Frames ; 100–3200 (Auto/Manual)
-
White Balance
2500K-7500K (for Seawater & Freshwater, Auto/Manual)
-
Photo Resolution & Format
4:3 = 4000 × 3000; 16:9 = 3840 × 2160 ; JPEG, DNG
-
Video Resolution
4K UHD: 25/30/50/60 fps. 1080p FHD: 25/50/60/100/120 fps. 720p HD: 25/30/50/60/100/120/200/240 fps
-
Video Encode & Format
H.264; MP4
-
Internal Storage
Built-in Storage (64GB Standard) or External MicroSD Storage (64GB Standard, Supports up to 256GB)
-
AI Vision Functionality
Vision Lock, Diver Tracking
-
Stabilization
Electronic Stabilization (EIS)

LED Lights & Chargers
-
Brightness
2500 Lumen LED * 2
-
CCT
5500K
-
Beam Angle
120°
-
Levels
3 Brightness Levels
-
ROV Charger
Input: 100-240V, 50/60 Hz, 1.3A MAX Output: 12.6V ⎓ 5A
-
Remote Charger
Input: 100-240V, 50/60 Hz, 0.5A MAX Output: 5V ⎓ 3A

Controller, Tether & Spool
-
Wireless
5GHz WiFi: 802.11a/n/ac
-
Battery Life
Up to 4 hours
-
File Download Format
MicroSD Card: FAT32 & EXFAT (128GB Max.)
-
HDMI Output
HDMI Box Required
-
Tether Length & Diameter
100m standard (200m/300m optional) with 4.6mm diameter
-
Tether Breaking Force
100kgf
Component Breakdown
The QYSEA FIFISH V-EVO is a high-performance AI-powered underwater drone designed for real-time exploration, inspection, and visual surveying in shallow-to-mid depth environments. Featuring an agile 6-DOF propulsion system and advanced onboard stabilization, the V-EVO offers smooth, precise maneuvering for navigating complex underwater spaces. Its professional imaging system combines a 12 MP camera with 4K UHD video up to 60 fps, DNG photo capture, and electronic image stabilization to deliver clean, steady footage even while in motion. Integrated AI functions such as Vision Lock and Diver Tracking enhance automatic subject stabilization and follow-mode operation, while dual 2 × 2500-lumen LEDs ensure clear visibility in low-light waters. The compact yet powerful design supports a 100 m depth rating, ~3-knot speed, and optional accessory expansion including a robotic grab arm, making the V-EVO ideal for aquatic inspections, recreational surveys, aquaculture monitoring, safety operations, and underwater content production.
Key features of the FIFISH V-EVO include:
- ROV 100 m depth rating
- >3 knot propulsion speed with full 6-DOF movement
- 4K UHD video recording up to 60 fps
- 12 MP photo sensor with DNG (RAW) support
- 96° underwater FOV (166° above water)
- Electronic Image Stabilization (EIS)
- AI Vision Lock and Diver Tracking
- Posture lock ±0.1° stabilization
- Dual 2500-lumen LED lighting system (120° beam)
- Suspension depth lock ±1 cm accuracy
- 97.2 Wh battery, 1–4 hr mission endurance
- Built-in 64 GB storage + microSD expandable to 256 GB
- 5 GHz Wi-Fi controller interface
- 100 m neutral-buoyant tether with spool
- Single stainless steel expansion port for accessories
- Optional robotic arm for light recovery tasks
Tackle Underwater Exploration Tasks with
Multi-Tool Extensions for FIFISH V-EVO
Quickly expand the V-EVO’s capabilities for inspection, search, light recovery, and measurement tasks using compact plug-and-play accessories designed for agile underwater operationsYou can integrate a wide range of Multi-Tool extensions to the interface of FIFISH V6 Expert to perform specific industrial tasks and tackle various scenarios.

Robotic Arm - 100m (V-EVO)
Two-finger claw robotic arm with 100 m depth rating and 100 N clamping force for retrieving objects, handling debris, and conducting light salvage tasks during inspections and search missions.

Compass Ruler
Measurement tool combining heading reference with distance scaling to estimate object size and orientation for basic underwater inspection, exploration documentation, and survey reference tasks.

Metal Detector
Compact subsea detection module for locating buried or concealed metallic objects, ideal for shallow-water search operations, debris scouting, and basic recovery missions.

Retrieval Hook
Lightweight recovery attachment for snagging lines, lifting small debris, and retrieving lightweight objects during inspections, cleanup tasks, and search deployments.

Camera Mounts
Universal mounting accessories for attaching action cameras to capture alternative viewing angles and auxiliary footage during exploration, training, and content-production dives.

Controller Sun Hood
Foldable sun hood for the V-EVO remote controller, providing screen shade and improved visibility during bright outdoor operations, beach launches, and open-water inspections.

HDMI BOX 2.0
Live-streaming interface module enabling real-time HDMI output for monitors, recorders, or broadcasting devices—ideal for training sessions, group viewing, and mission supervision.

Electrical Spool - 300m
Motorized tether management spool supporting smooth cable deployment and retrieval up to 300 m for extended-range underwater exploration and stable ROV operations.

Propeller protector
Protective propeller guards designed to prevent debris impact, reduce collision damage, and improve operational safety during close-range maneuvers in confined or cluttered underwater environments.

Lightning Adaptor
Mobile device connection adaptor enabling direct smartphone or tablet display for remote monitoring, screen recording, and content sharing during V-EVO operations and field deployments.

Remote Controller QY-iRC
Ergonomic handheld control unit with integrated display support providing intuitive piloting, real-time video viewing, camera control, and stable operation of the FIFISH V-EVO system.
Return & After-Sales Policy
All QYSEA FIFISH V-EVO 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.