· As a manufacturer in China, "PowerRay" is an underwater Drone equipped with a camera capable of 4K picture quality underwater animation and 12 megapixel still picture photography. Even scenes where humans can not swim like snakes below freezing will be easier if drone!
· Continuous use is possible up to 4 hours.
The advantage of this drone is that you can dive up to 30 meters underwater, that you can navigate with a wired controller while watching with a cooperating iOS / Android application. The speed is three stages, if it is the fastest it is 2 m / s, which is quite early, and it can be used continuously for up to 4 hours. By the way, 30 meters corresponds to the 10th floor of the apartment building.