R-30 — Starting selection brief Manufacturer: Boya Gongdao A tethered inspection ROV for visual assessment of submerged structures, with payload and sensor selection matched to the task. Vehicle weight: 21 kg Depth rating: 300 m Payload: 3 kg Dimensions: 500 × 398 × 356 mm Camera: 1080p; 4× optical zoom Camera tilt: ±90° Power: External tethered supply Configuration note: Sonar, positioning and task-specific tools require confirmation of compatibility, mounting, power and delivered configuration. Confirm current specifications and delivered scope with the manufacturer before purchase.