Shenlong is a multifunctional light operation ROV with modular design, strong load capacity, and the ability to expand and carry multiple sensor modules and operation modules. It has good underwater motion performance and autonomous motion control function, and can perform manual motion control, automatic depth and bow navigation control, and automatic pose locking motion control. It can provide a good transport platform for underwater inspection, underwater operations, and other work. Through the installed basic module, it can have a series of functions such as depth measurement, underwater high brightness lighting, real-time underwater camera imaging, and underwater pan tilt angle adjustment.