The bright green light emanating from the vacuum cleaner head as it moves across the floor.

The video opens with a close-up of a Dyson vacuum cleaner with a green light on its head, being used on a floor. The camera then zooms in on the vacuum's head, showing its internal mechanisms. It then transitions to show the brush bar cleaning different floor types, first carpet, then hard floor. The video continues to show the vacuum's dustbin filling up and then displays the product with text overlays highlighting its features. The final scene shows the vacuum cleaner with a call to action.