Multiplayer or Explore Without Interference - Multiplayer competition lets your RC boat race against friends, the 2.4GHz frequency controller features a high capability of avoiding signal disruption, allowing you to race more than 20 boats against each other at the same time which brings full control and enjoyment, with 80m signal range Ultra Long Battery Life - RC boat provides rechargeable 3.7V500mah batteries which extend the game time up to 20 minutes, bringing you a real long-lasting enjoyable experience. Prepare dry batteries required for the transmitters in advance, allowing you to start the games earlier. Designed To Last - Double-Cover waterproof and multiple strong twist-lock designs effectively protect the boat from water penetration. The water circulation cooling device makes the running motor cool down to reduce motor loss and prolong its service life. Premium RC boat quality designed to last and enjoy.