1. The lock is made of pure-copper or stainless steel and is very durable.
2. Adopting siemens encryption techniques, which is counterfeit-preventing.
3. Door-unlock-warning: this can warn the user and ensure100% security.
4. Can register 255 exclusive user cards and support offline network function.
5. Can work with li battery, charged by a charger, no need to change battery.
6. Ic card can realize the independent locking for hotel or household.
Electric parameters:
Input voltage: dc6v
Static current: <5ua
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