タイトルまたは説明

1. Pure stainless steel mechanical rotationg structure enable for using more than *0 years. 2. It is very easy to change batteries in the lock,just need several minutes on ome lock. 3. Using 4x1.5V standard alkaline batteries. 4. If wrong passwords for 3 times continuously, it will stop for *5 seconds automatically. 5. Unlock ways:keypad or Mechanical key. 6. Can delete the users individually who were fired.But there is no effect for the other people to use. 7. Keypad user capacity **0. xxxxx can set up an available time for each user to unlock the lock. And the user can not unlock it in other time. xxxxx suitable for installation by non-professionals