The video shows a person using a Lowrance HDS 12 GPS device to navigate a boat. The person is seen scrolling through various screens on the device, including a map, a sonar screen, and a speedometer. The GPS device is mounted on the boat's dashboard, and the person's hand is visible as they interact with the device. The video provides a close-up view of the GPS device's screen, highlighting the different features and functions available to the user.