This ready-to-use ROV is quick to deploy, highly-maneuverable, and easy to pilot using an app on your Android or iPhone. The Fifish V6 is compact and light-weight (~4kg), able to position lock, and powered by a 9Ahr, 10.8V onboard Li-ion battery.
Designed with 6 vectored thrusters, the V6 has a top speed of 3 knots (1.5 metres per sec) and 360 degrees of yaw, pitch and roll!
Price ~$3560, depending on accessories