In the video, a person is seen working on a car's brake system. The person is using a hammer to remove the brake caliper from the car. The brake caliper is a crucial part of the brake system, and it is responsible for applying the brakes to the wheels. The person is wearing a blue jacket and is standing on a mat. The car is parked on a street, and there are other tools visible on the ground. The person is using a hammer to carefully remove the brake caliper from the car. The brake caliper is made of metal and has a cylindrical shape. The person is using a hammer to tap the brake caliper out of place, and then they are using a wrench to remove the bolts that are holding the brake caliper in place. The person is wearing gloves to protect their hands from the sharp edges of the brake caliper. The video provides a detailed view of the brake system and the process of removing the brake caliper.