Note: the rc shark is fit for pool, the speed is slow,fit for children,please notice,thanks 1. The remote control can't enter water. 2. Children's play needs guidance from their guardians 3. It is not recommended to use in the sea to avoid being washed away by the waves. 4. The guardian should take good care of the child to avoid the child falling into the water. 5. Fish need to be placed in the water to use, on land will not move! 1. Playing time: 15-20 minutes 2. Charging time: 30-40 minutes 3. Remote control distance: 20 meters above the water 4. Swimming speed: 3-4KM/H 5. Body battery: 3.7V 400mAh lithium battery (included) 6. Remote control battery: 1.5V AAx2 (not included) 7. Accessories: USB charging cable x 18. Product size: 34.5x14 x 11cm Package List: 1 X Shark 1 X Remote Control 1 X Lithium Battery 1 X Screwdriver 1 X USB Cable 1 X Spare Nut 1 X User Manual 2.4G, 4 channels, forward/backward on the water surface, turn left/right on the water surface, automatic demonstration, tail swing action. Tips: Please allow minor deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.