Remote Control Boat ,Specification Single Battery (Blue) 1. Fully sealed and waterproof design, effectively preventing water leakage into the warehouse 2. The pointed appearance reduces the resistance and makes the speed more balanced 3. With dual-motor design, the high-efficiency conversion device is more energy-saving, more powerful and stable than ordinary motors 4. 2.4Ghz marine radio control system supports simultaneous operation of multiple remote-controlled ships 5. Remote control battery: 2 x AA batteries (not included) 6. Frequency: 2.4 GHz 7. Channel: 4CH 8. Charging method: USB interface 9. Body battery: 3.7V 500 mA 10. Use time: about 15 minutes 11. Charging time: 60-80 minutes 12. Remote control distance: about 80 meters 13. Speed: about 20 kmh (max) 14. Material: ABS 15. Dimensions: 26 x 10 x 10CM