Signstek Keyless Entry Door Lock,Door Knob with Keypad，Smart Code Door Lock,Mute Mode,Passage Function, Easy to Install,Satin Nickel

- Change Master password and Sub passwords freely.- Master password can be used to add or delete any sub password - The fired user can be deleted individually by Master password, without any affect on the normal application of the lock by the other users - One-Key opening function(Passage Mode) :Press any digital key to open the lock - Outer-emergent power supply opening function.- Encryption function , for confusing any spies watching as the User code being entered.- Resetting function.When forget the password, or something unusual, after resetting, it can be normal.About Battery: - Low battery alarming function - Easy to replace batteries , without affect the information of passwords.- Low battery waring with emergency power jump override Advantages: - Anti spy code encryption - Suitable for indoor and outdoor - No external wiring required - Free rotating handle is adopted to avoid unlock by violence - American standard tubular latch Door thickness: Suitable for 35-50mm door, Select the lock-tongue between the size of 60mm and 70mm About Package: 1 x Door Lock 5 x fixing screws 1 x jamb box 1 x strike plate 1 x emergency power 1 x User Manual'