Multiple encryption and changing the physical mode to prevent copying and cracking.

Traditional smart locks and universal hand cards are both carried by感应卡. Universal hand cards can open all locks within the venue. However, the感应卡 can be quickly read and copied with specialized equipment. Especially in recent years, the act of stealing through illegal copying of universal hand cards has become rampant. The Security Star product series, featuring hard

The encrypted, contact-based 'Security Shield' replaces the感应卡式 universal hand card, eliminating the possibility of duplication at its source. The 'Security Shield' enables emergency unlocking, setting locks, retrieving unlock records, and providing emergency power to the locks.

The Safety Star product line, featuring "hard encryption and contact-based security shields," replaces the感应卡式万能手牌感应卡式万能手牌, eliminating the possibility of duplication at its source. The Security Shield can perform emergency unlocking, set locks, retrieve unlocking records, and provide emergency power to the locks.

Traditional intelligent locks, universal access cards are based on RFID cards. These universal access cards can unlock all locks within the venue. However, the RFID cards can be quickly read and copied with dedicated equipment.

Especially in recent years, the theft through illegal duplication of the Universal Hand Card has been rampant.