Meet the Youcan Robot BW SPACE: an underwater vehicle that can dive to depths of 100 meters. It comes with 3 propellers, 12MP camera and 4K UHD video recording capability. You can control this underwater drone from your iOS/Android device.
This smart underwater drone has a max speed of 2 m/s and lasts up to 7 hours on battery. It comes with 1380×2 Lumens LED lights and 3 tether lengths up to 150m.