Absolutely prevent any copying situations.

Traditional smart locks and universal hand cards are both carried by proximity cards. Universal hand cards can unlock all locks within the venue. However, proximity cards can be quickly read and copied by specialized equipment.

Especially in recent years, theft through illegal duplication of the Universal Hand card has reached epidemic proportions.

The Security Star product line replaces the contact-based 'Security Shield' for感应卡式万能手牌, eliminating the possibility of duplication from the source. The Security Shield enables emergency unlocking, lock setup, retrieval of unlock records, and emergency power supply to the lock.