Meet Ziphius: an aquatic drone with a hydrodynamic design and HD video that you can control from your smartphone. It has a top speed of 6mph, range of 300 feet, and a 720p camera. It runs on an hour on battery. You can not only control the device from your smartphone, you also get to play augmented reality games.
Ziphius is designed to always stay upright in water. Its 160-degree angle camera lets you see above and below water level.[where to find it]