Welcome to the store! 1. Features self-calibrating hull, low signal alarm, low battery alarm, and out-of-range alarm. 2. With automatic course correction, this RC boat is easier to control. 3. Brushed water-cooled motor with a maximum speed of 20 kilometers per hour. 4. Remote control operates the boat; the maximum remote control distance is approximately 80 meters. 5. Waterproof function allows it to stay in the water for extended periods without damage. Item Type: RC Boat Color: As pictures shown Material: Plastic Motor: Brushed Motor Hull Battery: 3.7V 650mAh Lithium Battery (included) Remote Control Battery: 4 x AA batteries (not included) Charging Time: Approx. 3 hours Use Time: Approx. 10 minutes Remote Control Frequency: 2.4G Remote Control Distance: Approx. 80m/87.5yd Maximum Speed: Approx. 20km/12.4mph Package Includes: 1 x RC Boat 1 x Remote Control 1 x Screw 1 x Screwdriver 1 x USB Charging Cable 1 x Lithium Battery 1 x Propeller 4 x Hull Mount Accessories 2 x [Missing item description] We strive for your satisfaction and provide only a great shopping experience. If you have any questions after receiving the goods (different product quantities, damaged packaging, etc.), please contact us in time! We will provide you with the best solution.