Smart Lock Fire-Proof Cylinder
Overview
This kind of Fire-proof cylinder can update the traditional mechanical cylinder into intelligent cylinder easily just by replacing the e-plug.
Compare with traditional mechanical locks, the smart lock has following features
Without power supply and maintenance-free
Opening permission can be set after installation according to individual demand
The key adopt digital encryption authentication technology which cannot be copied
The records can be tracked and easy to extend
Audited Supplier 
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