AppLoki Smart Lock, Electronic Keypad Deadbolt Lock, Keyless Entry Door Lock with Auto-Lock, 100 User Codes, Anti-Peeping Password, Easy to Install and Program, Keypad Door Lock for Home Bedroom

?【Keyless entry door lock 】The keypad deadbolt lock offers 103 access codes （100+3 Admin Users）and 2 standard keys for family use. The smart door lock works with most standard residential doors (1.38 IN/35 MM – 2.17 IN/55 MM). The front door lock is perfect for front doors, home use, and apartments.
?【Home security door lock 】With anti-peeping function when entering passwords (Alarm for 5 wrong entering), and the smart lock set can ‘auto lock’ in 5-30 seconds, or press the lock key for 2s to lock the door manually, besides, passage mode can keep the digital door lock unlocked, which is convenient for the children and the elderly to enter and exit.
?【Electronic door lock never power off】Emergency power supply (type c charging port) can be used for emergency charging, and deadbolt lock has backlit keypad and low battery alert ( the door can still be opened for 200 times ); 4 AA alkaline batteries provide 1800 openings (about 6 months). So you don’t have to change the battery frequently.