1. Visualizes magnetic pole patterns, making it easier to inspect and identify magnetic regions. 2. Designed for repeated use, reducing the need for disposable inspection materials. 3. Enables non-invasive magnetic pattern inspection without altering the structure of the magnet being tested. 4. Suitable for smartphone repair, magnetic component inspection, and electronics recycling applications. 5. Automatically recovers to its original viewing state, providing clear magnetic patterns for fast and accurate identification without leaving marks on the phone.
