指纹、密码、卡、机械钥匙多种开锁方式选择。
Fingerprint, passwords, card and mechanical key are available.
备有机械应急开锁装置，机械钥匙也可实现分级管理。
Emergency mechanical keys unlock device is available, the keys due to be unified distribution.
国际标准五锁舌结构：有防撬保险舌和室内反锁大方舌，具机械钥匙应急开门；
International standard five-bolt structure: With the prying-resistant trigger bolt and indoor locking dead bolt for security and the mechanical key for emergency access;
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