Silver Digital Keyless Electronic Security Code Door Lock keyless code lock | Безопасность и защита

Silver Digital Keyless Electronic Security Code Door Lock keyless code lock Electronic Lock Description Features: Waterpfoof seals protecting electronic components Backlit keypad for use in low light Up to 10 changeable codes including passage,user and master levels Deadlatch assembly with adjustable backset DIY installation(instructions included) LED indicators for code entry 50 event audit trail recording Anti spy code encryption Low battery waring with emergency power jump override Suitable for indoor and outdoor - No external wiring required Comes with 4 x AAA batteries      Characteristic:    .Exquisite appearance, rational structure, safe and reliable.   .Very easy to operate, suitable for office, house and apartment.   .Especially suitable for installation by nonprofessionals   .In installation, just use the existing knob lock hole, no need to open another holes.   .The keypad is backlite, more convenient at Night.   .The keypad is waterproof.   .There are ten passwords, including 1 master password, and 9 sub passwords, which are easy to manage.   .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.   .Encrption function , for confusing any spies watching as the User code being entered.   .Low battery alarming function.   .Easy to replace batteries , without affect the information of passwords.   .Outer-emergent power supply opening function.   .Resetting function. When forget the password, or something unusual, after resetting, it can be normal.   .American standard tubular latch.   .Free rotating handle is adopted to avoid unlock by violence.