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ManufacturerShenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.Robot model · No. 1

FIFISH V-EVO

Marine & Underwater Robots · Inspections

CommercialChina

Key fact25/30/50/60 fps; 50/60 fps requires H.264 according to QYSEA technical documentation · 1.

Model details

Model specifications

4K Frame Rates25/30/50/60 fps; 50/60 fps requires H.264 according to QYSEA technical documentation

Accessory Port1.

AI Diver TrackingYES

AI Vision LockYES

AvailabilityCurrent / Actively Marketed — Available.

Battery Capacity9,000 mAh / 97.2 Wh

Camera4K high-frame-rate underwater camera

Degrees of Freedom6-DOF

Depth Rating100 m / 328 ft

Dimensions383 × 331 × 143 mm

Electronic StabilizationYES

External HDMISupported with optional HDMI Box.

Field of View166° ultra-wide

Flow Resistance2 knots

Full-Mobility RuntimeApproximately 1 hour

Hover RuntimeUp to 4 hours

Hovering Accuracy±1 cm

Image DehazingYES

Image EnhancementYES

Lighting5,000 lumens combined, 5500K white LEDs

Maximum Grip Size120 mm

Maximum Robotic-Arm Grip Force7 kgf

Maximum RuntimeUp to 4 hours

Maximum Speed3 knots / 1.5 m/s

ModelFIFISH V-EVO

MovementLeft/right; Up/down; Forward/backward; 360° pitch; 360° roll; 360° yaw

NationalityChina

Operating Temperature-10°C to 60°C

Optional Metal DetectorYES

Optional Robotic ArmYES

Other Expandable ToolsCompatible FIFISH/QYSEA accessories subject to V-EVO interface compatibility.

Payload Capacity2 kg / 4.4 lb

Posture Lock Accuracy±0.1° pitch/roll

Product TypeTethered Underwater ROV / Underwater Drone

Real-Time Color EnhancementYES

Tether BuoyancyNeutral underwater

Tether Length100 m / 328 ft standard configuration

Tether MaterialStainless Steel 316

Tether Tensile Strength100 kgf

Thrusters6

Video Resolution4K UHD up to 60 fps

Weight3.9 kg / 8.6 lb

Wireless Controller Network5 GHz Wi-Fi 802.11a/n/ac

About the FIFISH V-EVO

The FIFISH V-EVO is a compact tethered underwater ROV manufactured by QYSEA Technology for underwater exploration, imaging, observation and light inspection. Its six-thruster propulsion system provides full 6-DOF omnidirectional movement with 360° pitch, roll and yaw, while precision hovering, Posture Lock and AI Vision Lock assist underwater operation. It features a 4K/60 fps camera with 166° ultra-wide viewing, 5,000-lumen lighting, a 100 m depth rating, speeds up to 3 knots and up to four hours of operation depending on workload. An accessory interface also supports tools such as a two-finger robotic arm and underwater metal detector.

Typical applications: Inspections, Research & Development, Emergency Response & Rescue, Search & Rescue Exploration.

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