First, it protects your privacy by blocking your camera lens.
Second, it reduces glare from the screen on the camera lens.
Third, it offers protection against scratches to the camera of your laptop.
Check the camera cover for laptop below:
This webcam cover is designed to keep hackers out of your webcam. When you need to utilize your webcam, you may slide this cover open to display the lens, while keeping it closed when you don’t. Using a 3M adhesive, the camera cover is only 0.8 mm thick, making it compatible with even the thinnest of laptops, such as the Macbook Pro 2016. For most webcams, this can be used if the surface around the camera is flat. Among the brands that we’ve tried it on are Apple, Dell and Surface; Acer, Asus, Samsung and Lenovo; and others. The process of putting on the camera cover is a breeze. The camera cover may be applied to your smartphone in less than five seconds.
Laptop cameras are usually in a position that makes them visible to other people in the room without you knowing. This is why you should always use a camera cover for laptop- they offer various advantages and protect you from potential negative consequences.