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Underwater drones, also known as ROVs (Remotely Operated Vehicles), are transforming the way underwater work is performed. Instead of deploying divers immediately, many professionals now start with a drone to gain fast, safe and reliable insights below the surface.
Whether you are working in inspection, marine research, offshore operations or underwater imaging, an underwater drone helps you work more efficiently while reducing risks.
What is an underwater drone (ROV)?
An underwater drone is a remotely operated vehicle connected to a controller via a tether cable. It allows you to navigate, inspect and record underwater environments without entering the water.
Most underwater drones are equipped with:
- A high-resolution camera
- Powerful video lights
- Thrusters for movement and stability
- A tether cable for control and live video feed
This setup provides real-time visual feedback and precise control, even in challenging underwater conditions.
What are underwater drones used for?
Underwater drones are used in a wide range of industries and applications. From professional inspections to creative filming, their versatility makes them a valuable tool.
- Inspection of ships, propellers and hulls
- Harbor and infrastructure inspections
- Search and recovery operations
- Marine research and ecological monitoring
- Underwater photography and videography
Want to see how underwater drones are used in real situations? Read more in our article on underwater drones and their applications.
Types of underwater drones
Underwater drones range from compact, portable models to advanced industrial ROV systems. Each type is designed for different use cases. Compact drones are ideal for quick inspections and recreational use. Professional systems offer more power, longer deployment time and support for advanced accessories such as sonar and positioning systems. Not sure which type is right for your situation? Read our guide on choosing the right underwater drone (ROV).
At UWCameraStore, we mainly work with two leading brands: Qysea and Chasing. Both offer reliable underwater drones for different applications, from compact inspection tools to advanced professional ROV systems. Want to understand the differences? Read our comparison of Qysea vs Chasing underwater drones.
How to choose the right underwater drone
Selecting the right underwater drone depends on several key factors. Understanding these helps you choose a system that matches your application.
- Depth rating: maximum operating depth
- Tether length: working distance from the operator
- Camera quality: resolution and stabilization
- Battery system: runtime and charging speed
- Maneuverability: number of thrusters and control
- Expandability: support for accessories like sonar or grabbers
Each application requires a different setup. Inspection work often requires stability and accessories, while imaging focuses on camera performance.
Accessories and expansion options
Many underwater drones can be expanded with accessories that significantly increase their capabilities.
- Grabber arms for retrieving objects
- Sonar systems for low visibility conditions
- Positioning systems for accurate survey data
- Measurement lasers for scale reference
- Additional lighting for deeper environments
These additions transform a drone into a complete inspection and survey system.
Why use an underwater drone before deploying a diver?
In many situations, it is more efficient and safer to start with an underwater drone before sending a diver.
- Reduced risk for personnel
- Lower operational costs
- Faster initial inspection
- Better preparation for follow-up work
This approach is widely used in industries where safety and efficiency are critical.
Find the right underwater drone for your application
Choosing the right underwater drone makes a significant difference in performance, efficiency and results. Whether you need a compact system or a professional ROV, selecting the right setup is essential.
Browse our range of underwater drones and ROVs to find the right solution for your application.
