Note: The remote-controlled shark is designed for pool use, operates slowly, and is suitable for children. Please take note. Thank you! 1. The remote control is not water-resistant. 2. Children should be supervised during play. 3. Avoid using in the sea to prevent loss due to waves. 4. Guardians should ensure children do not fall into the water. 5. The shark requires water for operation; it will not move on land. Specifications: 1. Playtime: 15-20 minutes 2. Charging Time: 30-40 minutes 3. Remote Control Range: over 20 meters on water 4. Swimming Speed: 3-4 KM/H 5. Battery: 3.7V 400mAh lithium (included) 6. Remote Control Batteries: 1.5V AA x 2 (not included) 7. Accessories: USB charging cable x 1 Product Dimensions: 34.5x14x11cm Package Includes: 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 Features: 2.4G, 4 channels, move forward/backward, turn left/right, automatic demonstration, tail swing action. Tips: Please allow slight measurement variations. Colors may vary due to different monitor settings.