Remote control distance: about 10 meters Charging time: 1 hour Use time: about 10 minutes Product size: please see the model picture Remote control frequency: 2.4G Speed: about 10km/h Remote control batteries: 4 AA batteries (not provided) The charging method of the boat: powered by the remote control Product function: 2.4G remote control frequency, forward, backward, left turn, right turn; small size: easy to carry, suitable for indoor and outdoor use such as fish tank, bath, swimming pool. Warning: This product has the following problems, please dont buy it if you mind! 1. This product has a color difference problem. 2. The product is measured by hand, the error is 1-2cm 3. This product does not provide batteries (4 AA--5 batteries), please use ordinary batteries, do not use high-strength batteries 4. The outer packaging is made of transparent plastic, which is fragile: if the outer packaging is broken during transportation, our store will not do after-sales processing (only the outer packaging is broken (10% chance), if the product is damaged, we will do after-sales processing - of course we There will be bubble bags to reinforce the packaging.) 5. Children need to use this product under the supervision of a guardian.