In the video, a man is seen measuring the height of a truck's step. He uses a yellow tape measure to measure the height of the step, which is 12.75 inches. The man is wearing a black shirt and blue jeans, and he is crouching down to measure the step. The truck is red with black trim, and the step is black. The man is holding the tape measure with his right hand and extending it with his left hand to measure the height.