6CH RC Submarine: The exquisite workmanship makes it have a highly simulated mosasaur appearance design the tail joint is movable and detachable it can show different activity paths to stimulate children's curiosity it looks like a real animal it gives children brought fun." Sensitive Control: Equipped with 2.4GHz multi-frequency wireless system strong anti-interference easy to control the remote control distance is 6M it can float on the water back and forth turn left and right. Waterproof Design: The remote control boat adopts a double-layer waterproof structure and the reinforced waterproof rubber ring structure design can reduce the water entering the interior and can swim and rotate freely in the water. Rechargeable: Equipped with a separate 3.7V 90mah rechargeable battery and USB charger cable for easy charging 60 minutes of charging time and 10 minutes of use time. Ideal Gift: Can be used in swimming pools bathtubs water parks etc. ideal birthday or holiday gifts for kids]