12" Millennium Marine RC Remote Control Super Speed Racing Ship Boat with Display Stand (Red) Comes ready to play, all required batteries are included. High Quality high performance durable design for pools, small ponds, rivers and lakes Running speed: 4.5 MPH. RC boat dimensions: 12&quot;x 4&quot;x 4&quot; Running time: 15 minutes. Charging time: 2 hours. Control distance: up to 90 ft. Water safe, multidirectional control, sturdy propeller. n the case where boat isn't responding to the controller, it might be several issues: 1) The boat is too far from the controller, it is not responding. 2) There are objects in the way is blocking or interfering with the transmission. Solution: Try to get closer to the boat or step way from the objects blocking or interfering with the controller transmission.