Widershine · Underwater Robotics
From close inspection
to underwater work.
Explore observation and intervention ROVs, search-and-recovery platforms and underwater cleaning robots. Choose by mission, compare key capabilities and open each product page for its full equipment details and specifications.

Product Directory
Choose your underwater platform
Browse by mission. Every model links directly to its own product page and technical specifications.
Category 01 · 4 Products
Observation, intervention and underwater search
Explore the G-series from compact observation to intervention and search-and-recovery platforms. Match equipment payload, deployment arrangements and task-specific tools to the work you need to perform.
3611G30 Observation ROV
The compact 3611G30 is a remotely operated observation robot for aquaculture monitoring, search and capture, and aquatic-product recovery at depths up to 300 m. It transmits underwater images and vehicle status in real time. Standard automatic depth, orientation and height functions support controlled observation, while its 30 kg in-air weight makes deployment and transport manageable.
- Operating depth
- 0–300 m
- Thrusters
- 8 × 5 kgf
- Video recording
- 1 × 1080P
Selection focus: Choose for compact, remotely controlled aquaculture observation and aquatic-product search or recovery where real-time images and automatic depth control matter.
View Product Details
3611G50 Intervention ROV
The 3611G50 is a cable-controlled intervention ROV for emergency search, underwater inspection and salvage at depths up to 300 m. Six 12 kgf thrusters and 3 × 1080p video recording support maneuvering and observation. Automatic depth, orientation and height functions assist operation, with selectable sonar and manipulator payloads for locating targets and handling retrieval tasks.
- Operating depth
- 0–300 m
- Thrusters
- 6 × 12 kgf
- Video recording
- 3 × 1080p
Selection focus: Choose for tethered rescue and salvage missions requiring 300 m access, automatic depth control and task-specific sonar or manipulator payloads.
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3611G70 Intervention ROV
The 3611G70 combines underwater observation with light intervention for rescue, search and hydropower work at depths up to 300 m. Eight thrusters and a redundant control system support controlled maneuvering, while standard automatic depth, heading and height functions assist operations. Its modular design supports functional expansion with sonar, positioning equipment and manipulators.
- Operating depth
- 0–300 m
- Thrusters
- 8 × 12 kgf
- Video recording
- 3 × 1080P
Selection focus: Choose for 300 m search and light intervention tasks requiring modular payload integration with automatic depth and heading control.
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3611G400 Intervention ROV
The 3611G400 is a modular ROV for marine exploration, hull inspection and underwater intervention at depths up to 300 m. Common mechanical and electrical interfaces simplify module replacement and tool changes. It can be equipped with sonar and mechanical arms, while path tracking and dynamic positioning support controlled underwater operations.
- Operating depth
- 0–300 m
- Thrusters
- 4 × 35 kgf + 4 × 60 kgf
- Video recording
- 4 × 1080P
Selection focus: Choose for deep marine inspection and intervention requiring interchangeable tools, configurable sonar or manipulators, and dynamic positioning around underwater structures.
View Product DetailsCategory 02 · 3 Products
Underwater cleaning and maintenance
Compare the Q-series for underwater maintenance. Select the cleaning method, surface-contact arrangement and working capacity for the vessel, structure or tank involved in your project.
3611Q110 Cleaning ROV
The 3611Q110 combines a crawler chassis with replaceable, manually adjustable brush plates for underwater cleaning of aquaculture tanks and river boats. Eight thrusters provide movement and non-magnetic adhesion. Rated for depths up to 100 m, it offers a cleaning efficiency of 400 m²/h, with intelligent path planning and manual cleaning modes.
- Working depth
- 0–100 m
- Cleaning efficiency
- 400 m²/h
- Surface adhesion
- Thruster-based, non-magnetic
Selection focus: Choose for aquaculture tank and river-boat cleaning where replaceable brushes, crawler mobility and non-magnetic thruster adhesion suit the task.
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3611Q140 Cleaning ROV
The 3611Q140 combines propeller propulsion with driven wheels for hull and dam cleaning down to 100 m. Its adaptive electric brush plate follows curved surfaces, while thruster-based adhesion avoids magnetic attachment. Intelligent path planning and manual control support different cleaning workflows, and a modular mechanical design simplifies maintenance and functional expansion.
- Operating depth
- 0–100 m
- Cleaning efficiency
- 400 m²/h
- Cleaning method
- Adaptive electric brush plate
Selection focus: Choose for hull and dam cleaning where curved-surface brushing, non-magnetic adhesion, and intelligent or manual operation are priorities.
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3611Q180 Cleaning ROV
Designed for hull, dam and cage cleaning, the 3611Q180 uses thruster-based, non-magnetic adhesion and an electric lifting brush plate. Right-angle turning helps it navigate complex underwater environments, while a wheel-based odometer supports position estimation. Interchangeable brush types support different cleaning tasks, and optional positioning and navigation devices can enhance intelligent operation alongside its manual cleaning mode.
- Operating depth
- 0–100 m
- Cleaning efficiency
- 500 m²/h
- Rated power
- 9 kW
Selection focus: Choose for hull, dam or cage cleaning where right-angle turns and an electrically lifted brush help reach complex underwater areas.
View Product DetailsMatch the platform to your task
For inspection and intervention, consider working depth, equipment payload, visibility, current and launch arrangements. For cleaning, review the surface, cleaning method and contact system.
Weight-class names and equipment payload describe different properties. Cameras, sonar, manipulators and other mission equipment depend on the model and selected configuration. Review the product page and discuss the complete system requirements with our team.
Plan your underwater operation with Widershine
Tell us about your operating depth, inspection or maintenance task, deployment environment and required mission equipment. Our team can help you review the appropriate platform and configuration for your project.
Email: business@widershine.com · WhatsApp: +86-186-2800-0208
