The video shows a close-up of a small electronic device with a green body and a blue screen. The screen displays a graphic of a battery and some numbers and letters. The device is being held by a person's hand, and the background is blurred, but it appears to be a grassy area. The person's hand is moving the device slightly, and the screen is being focused on. The device seems to be a solar charge controller, which is used to manage the charging of batteries from solar panels. The numbers on the screen indicate the voltage and amperage of the battery, and the letters represent different functions of the controller.