Usage steps: 1. Test the direction and angle of rotation of the protective cover. 2. Clean the surface of the socket and remove the Double-sided tape on the back of the protective cover. 3. Adhere the protective cover to the power outlet panel according to the direction and angle of rotation of the protective cover, ensuring that the aperture remains aligned after rotation. 4. Ensure that the socket can be used normally, and cover the power hole after removing it.