Pros:

• Submarine drone completely autonomous
• Can be used at a great depth
• It has a low frequency sonar that does not damage any fish under water that lets you know what is in front of it and thus avoid colliding with any animal, rock or object that is in front of it.
• It has a very good video quality.
• You can set the shooting mode wirelessly with the smart bracelet included

Cons:

• Can be obtained only in presale
• The battery charge lasts only one hour.
• An ordinary person can not afford this product