It has the functions of preestablishing secret code, keeping secret well, error code warning and less power consumption, etc.
该密码锁具有密码预置，保密性强，误码报警，耗电极省等特点。
It has the functions of preestablishing secret code, keeping secret well, error code warning and less power consumption, etc.
该密码锁具有密码预置，保密性强，误码报警，耗电极省等特点。
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