Feature: 1. Waterproof: The remote control boat adopts a double layer waterproof structure and the enhanced waterproof rubber ring structure design can reduce water entering the interior. 2. Long Distance Control: 2.4GHZ multi frequency wireless system, free retractable rotation, remote control distance of 50m/164ft, simple button design, easy to control. 3. Long Battery Life: Equipped with an independent rechargeable battery, enhanced battery life design, long battery life, allowing you to play more happily. 4. Strong Power: Double motor aerodynamic shape, flexible mechanical tail gasket, double blade design, and high configuration motor ensure sufficient power. 5. High Simulation: Mosasaurus shape design, detachable, and the movable joint at the tail is realistic, which can present different activity paths to stimulate the curiosity of children to play. Specification: Item Type: Mosasaurus RC Boat Material: Plastic + Electronic Components Frequency: 2.4Ghz Remote Control Battery: 2 x 1.5v AAA (Sold Separately) Hull Battery: 3.7V 500mh Lithium Battery (Built-In) Use Time: 20 Minutes (Continuous Control) Charging Time: About 80 Minutes Remote Control Distance: About 50 Meters Assembly Size: Approx. 400 x 145 x 75mm / 15.75 x 5.71 x 2.95in Applicable Age: 6+ Function: Floating on the water surface, forward and backward, left and right steering, overhead water spray, automatic demonstration, etc. can be realized through remote control.. Package List: 1 x Set of Mosasaurus RC Boat (3pcs)1 x Remote Control1 x USB Charger1 x Screwdriver1 x Manual Note: 1. Manual measurement, please allow 1‑3mm error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Try not to play in large seas to avoid being washed away by big waves.4. When the boat stops working or playing or is not in use for a long time, the remote control and the toy must remove the battery to prevent leakage damage.5. After each use of the boat, use a dry soft cloth to absorb the moisture in the cabin, and put in a desiccant to ensure that the hull is dry and clean.