Description: 2.4G remote control technology, with lights, suitable for a variety of scenes, such as lakes and pools, beach games, home bathtubs, water parks, etc. The remote control distance is 40m(131.2 feet). simple button design, easy to control. the remote control is powered by 2 AAA batteries (not included). Streamlined shape, with flexible mechanical tail joints, dual propeller design, each is equipped with a motor, and adopts strict sealing technology. all functions ensure that the whale shark has enough power to move freely. it brings unlimited reverie and fun to the children. Built-in 3.7V 300mAh rechargeable lithium battery with USB charging cable. The whale shark can swim for 20 minutes with fully charged batter. Realistic shark appearance, let children put it down, also compete with your friends together. Specification: Material: ABS Plastic Working Time: 20min Charging Time: 50min Size Chart: Size: 34x14x9cm / 13.39x5.51x3.54inch Package Includes: 1 Piece Remote Shark 1 Piece Remote Control(not include battery) 1 Piece Screwdriver 3.7V 300mah Battery(quantity as you choose) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.