Size: about 36cm package contains 2 battery. 2.4G remote control shark main function: can many people compete at the same time (no interference) imitate the swimming action of fish. Swimming on the water. be careful: 1.Squirt Water i/j/k: Only this type of fish can spray water other types of fish cannot spray water sprayed with water 2. The remote control can't enter water. 3. Children's play needs guidance from their guardians 4. It is not recommended to use in the sea to avoid being washed away by the waves. 5. The guardian should take good care of the child to avoid the child falling into the water. 6. The shark must be placed in the water for the engine to run normally 7. The size is manually measured the error is 1-3 cm 8. Due to different displays the product may have color difference. About this item High Simulation design RC Shark- Effectively attracts childrens attention develops imagination improves childrens cognitive ability analysis ability imagination is the best gift for children 1:18 Scale Underwater RC Boat Gift for Boys Girls -This simulated remote control shark toy is made of safe and environmentally friendly high-quality ABS material. Smooth curves and burr-freeSwimming Freely in The Water-Fine workman ooks like a real whale shark.bringing unlimited reverie and fun to children. 2.4GHz Full Function RC Shark-Come with function of forward/backward Turn left/right Variable speed control the specific and subtle movement of whale.Built-in rechargeable 3.7V 500mAh li-polymer battery and comes with an USB charging cable. 2021 New Updated Remote Control Shark- Different from oldthis newest shark use 500mah 3.7V instead of 300mah Lithium polymer battery longer battery lifethe new style we printed English notice to remind customers that the waterproof ring needs to be locked.and the QC production process are more rigorousmean to prevent and solve battery problems of the old style. Cool RC Boat Gift for Boys Girls-Our Cool golden shark design rc boat is ideal choice for kids birthday gift children party favor after-school fun christmas presents home party supplies or outdoor-fun. Recommend toys for boys age 6+.