Sonar distance lock Chasing for M2 & M2 Pro

The four directional sonar range front, left, right and down keep the ROV where you want it. For the 3 different M2 drone models.

The distance lock sonar which reduces the difficulty of working and makes various inspections more accurate and efficient.
Set the distance lock sonar on the prefered distance between ROV and the target easily in the app. Whether it is on a flat or curved surface, collision prevention intervals are available, which reduces the difficulty of working and makes various inspections more accurate and effective.