This ultra-thin webcam cover protects your security and privacy and prevents webcam spying. Simply place your finger on the disc and slide your finger to hide and to unhide the web camera. It is designed to fit most smartphones, smart TVs, PS4, Xbox, laptops, MacBooks, PCs and Tablets and any third-party external webcams. The thin sliding disc allows for easy access to the web camera to be open or locks your webcam to prevent unwanted intrusion.