Meet the Blueye X3 ROV: an underwater robot with plenty of sensors, manipulators, and sonars that is ready for all your aquatic adventures. It can be used to take on complex underwater inspection jobs. It comes with a HD tilt camera and lasts up to 2 hours on battery.
This ROV is rated to 1000ft. It weighs only 9kg, so you can easily take it around. With automatic heading and depth management, Blueye X3 can operate in rough conditions. You can find out more about it here.