1. Material: plastic 2. Working frequency band: 13.56MHz 3. Security level: EAL 5+ 4. Quickly unlock the smart door lock, simple and no threshold 5. Built-in financial grade security chip to ensure that encrypted information is safe and not leaked 6. Lightweight and portable, comes with lanyard 7. Equipped with NFC function, it can be used as a door lock or installed on the wall 8. Made of high-quality ABS material, durable and long service life