The Mito 4K Underwater Drone is the most stable and affordable underwater drone in the consumer market. Benefits from its unique inertial stable algorithm, if an external force tries to change its balance, MITO would correct its vertical and horizontal bearing, and return to its previous state. Also, because of the waterproof technology, 2 swappable batteries would enable its long durance usage for up to 8hours, which is the unique feature compare to the others. Plus our Wireless Communication Buoy, that extend the operation range into 500 meters away. Therefore, with long distance operation ability MITO can hold up to extreme usage like underwater filming, fish detecting, going out sea (whole day long water activity). A perfect match for sailing.