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Pure stainless steel mechanical rotating struture enable for using more than 10 years.
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It is very easy to change batteries in the lock,just need several minutes on one lock.
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Using 4 x 1.5V standard alkaline batteries.
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Unlock ways: Fingerprint or Keypad or Mechanical key.
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Can delete the users individually who were fired.But there is no effect for the other people to use.
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If the fingerprint is not input correctly. The handle is free handle; it can provide the door from opening by fore, and prolong the using of the mechanism of the lock.
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Fingerprint user capacity 150 and password capacity 78.
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Especialy suitable for installation by non-professionals.
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Use 9V extra power when lower power which is safe and convenient.
